Home / 769,854,401.40-1,154,781,602.10-747,179,585.40

Finding the Fourth Proportional to 769,854,401.40, 1,154,781,602.10 and 747,179,585.40

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Solution

The fourth proportional to 769,854,401.40, 1,154,781,602.10 and 747,179,585.40 is: 1,120,769,378.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,854,401.40 : 1,154,781,602.10 = 747,179,585.40 : x
  2. Step 2: Convert to fraction form
    769,854,401.40/1,154,781,602.10 = 747,179,585.40/x
  3. Step 3: Cross multiply
    769,854,401.40x = 1,154,781,602.10 × 747,179,585.40
  4. Step 4: Simplify right side
    769,854,401.40x = 862,829,238,684,625,664
  5. Step 5: Solve for x
    x = 862,829,238,684,625,664/769,854,401.40
  6. Step 6: Final answer
    x = 1,120,769,378.10

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1.5x scale

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.