Home / 747,787,041.48-1,031,949,319.32-408,702,366.24

Finding the Fourth Proportional to 747,787,041.48, 1,031,949,319.32 and 408,702,366.24

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Solution

The fourth proportional to 747,787,041.48, 1,031,949,319.32 and 408,702,366.24 is: 564,011,015.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,787,041.48 : 1,031,949,319.32 = 408,702,366.24 : x
  2. Step 2: Convert to fraction form
    747,787,041.48/1,031,949,319.32 = 408,702,366.24/x
  3. Step 3: Cross multiply
    747,787,041.48x = 1,031,949,319.32 × 408,702,366.24
  4. Step 4: Simplify right side
    747,787,041.48x = 421,760,128,645,841,408
  5. Step 5: Solve for x
    x = 421,760,128,645,841,408/747,787,041.48
  6. Step 6: Final answer
    x = 564,011,015.50

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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.