Home / 1,117,948,123.74-1,542,705,454.94-616,155,386.98

Finding the Fourth Proportional to 1,117,948,123.74, 1,542,705,454.94 and 616,155,386.98

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Solution

The fourth proportional to 1,117,948,123.74, 1,542,705,454.94 and 616,155,386.98 is: 850,259,736.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,117,948,123.74 : 1,542,705,454.94 = 616,155,386.98 : x
  2. Step 2: Convert to fraction form
    1,117,948,123.74/1,542,705,454.94 = 616,155,386.98/x
  3. Step 3: Cross multiply
    1,117,948,123.74x = 1,542,705,454.94 × 616,155,386.98
  4. Step 4: Simplify right side
    1,117,948,123.74x = 950,546,276,584,712,704
  5. Step 5: Solve for x
    x = 950,546,276,584,712,704/1,117,948,123.74
  6. Step 6: Final answer
    x = 850,259,736.03

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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.