Home / 885,276,572.40-1,328,292,772.20-424,977,807.60

Finding the Fourth Proportional to 885,276,572.40, 1,328,292,772.20 and 424,977,807.60

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Solution

The fourth proportional to 885,276,572.40, 1,328,292,772.20 and 424,977,807.60 is: 637,648,129.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,276,572.40 : 1,328,292,772.20 = 424,977,807.60 : x
  2. Step 2: Convert to fraction form
    885,276,572.40/1,328,292,772.20 = 424,977,807.60/x
  3. Step 3: Cross multiply
    885,276,572.40x = 1,328,292,772.20 × 424,977,807.60
  4. Step 4: Simplify right side
    885,276,572.40x = 564,494,950,180,482,304
  5. Step 5: Solve for x
    x = 564,494,950,180,482,304/885,276,572.40
  6. Step 6: Final answer
    x = 637,648,129.16

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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.