Home / 763,344,734.40-1,145,017,101.60-521,480,030.40

Finding the Fourth Proportional to 763,344,734.40, 1,145,017,101.60 and 521,480,030.40

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Solution

The fourth proportional to 763,344,734.40, 1,145,017,101.60 and 521,480,030.40 is: 782,220,045.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,344,734.40 : 1,145,017,101.60 = 521,480,030.40 : x
  2. Step 2: Convert to fraction form
    763,344,734.40/1,145,017,101.60 = 521,480,030.40/x
  3. Step 3: Cross multiply
    763,344,734.40x = 1,145,017,101.60 × 521,480,030.40
  4. Step 4: Simplify right side
    763,344,734.40x = 597,103,552,950,887,808
  5. Step 5: Solve for x
    x = 597,103,552,950,887,808/763,344,734.40
  6. Step 6: Final answer
    x = 782,220,045.60

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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.