Home / 776,892,348.77-1,072,098,929.45-424,460,772.05

Finding the Fourth Proportional to 776,892,348.77, 1,072,098,929.45 and 424,460,772.05

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Solution

The fourth proportional to 776,892,348.77, 1,072,098,929.45 and 424,460,772.05 is: 585,749,029.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,892,348.77 : 1,072,098,929.45 = 424,460,772.05 : x
  2. Step 2: Convert to fraction form
    776,892,348.77/1,072,098,929.45 = 424,460,772.05/x
  3. Step 3: Cross multiply
    776,892,348.77x = 1,072,098,929.45 × 424,460,772.05
  4. Step 4: Simplify right side
    776,892,348.77x = 455,063,939,304,026,176
  5. Step 5: Solve for x
    x = 455,063,939,304,026,176/776,892,348.77
  6. Step 6: Final answer
    x = 585,749,029.49

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Double scale
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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.