Home / 920,155,905,011.52-1,269,941,292,541.40-529,514,440,565.76

Finding the Fourth Proportional to 920,155,905,011.52, 1,269,941,292,541.40 and 529,514,440,565.76

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Solution

The fourth proportional to 920,155,905,011.52, 1,269,941,292,541.40 and 529,514,440,565.76 is: 730,802,518,800.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    920,155,905,011.52 : 1,269,941,292,541.40 = 529,514,440,565.76 : x
  2. Step 2: Convert to fraction form
    920,155,905,011.52/1,269,941,292,541.40 = 529,514,440,565.76/x
  3. Step 3: Cross multiply
    920,155,905,011.52x = 1,269,941,292,541.40 × 529,514,440,565.76
  4. Step 4: Simplify right side
    920,155,905,011.52x = 672,452,253,071,417,509,150,720
  5. Step 5: Solve for x
    x = 672,452,253,071,417,509,150,720/920,155,905,011.52
  6. Step 6: Final answer
    x = 730,802,518,800.33

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Double scale
Find fourth proportional to 920,155,905,012.52, 1,269,941,292,542.78 and 529,514,440,566.76
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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.