Home / 879,810,356.25-1,319,885,478.86-334,509,491.61

Finding the Fourth Proportional to 879,810,356.25, 1,319,885,478.86 and 334,509,491.61

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Solution

The fourth proportional to 879,810,356.25, 1,319,885,478.86 and 334,509,491.61 is: 501,828,851.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,810,356.25 : 1,319,885,478.86 = 334,509,491.61 : x
  2. Step 2: Convert to fraction form
    879,810,356.25/1,319,885,478.86 = 334,509,491.61/x
  3. Step 3: Cross multiply
    879,810,356.25x = 1,319,885,478.86 × 334,509,491.61
  4. Step 4: Simplify right side
    879,810,356.25x = 441,514,220,515,207,488
  5. Step 5: Solve for x
    x = 441,514,220,515,207,488/879,810,356.25
  6. Step 6: Final answer
    x = 501,828,851.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.