Home / 747,129,663.40-1,120,694,495.10-262,455,471.40

Finding the Fourth Proportional to 747,129,663.40, 1,120,694,495.10 and 262,455,471.40

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Solution

The fourth proportional to 747,129,663.40, 1,120,694,495.10 and 262,455,471.40 is: 393,683,207.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,129,663.40 : 1,120,694,495.10 = 262,455,471.40 : x
  2. Step 2: Convert to fraction form
    747,129,663.40/1,120,694,495.10 = 262,455,471.40/x
  3. Step 3: Cross multiply
    747,129,663.40x = 1,120,694,495.10 × 262,455,471.40
  4. Step 4: Simplify right side
    747,129,663.40x = 294,132,402,006,855,488
  5. Step 5: Solve for x
    x = 294,132,402,006,855,488/747,129,663.40
  6. Step 6: Final answer
    x = 393,683,207.10

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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.