Home / 518,323,114.40-777,484,671.60-503,974,207.40

Finding the Fourth Proportional to 518,323,114.40, 777,484,671.60 and 503,974,207.40

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Solution

The fourth proportional to 518,323,114.40, 777,484,671.60 and 503,974,207.40 is: 755,961,311.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,323,114.40 : 777,484,671.60 = 503,974,207.40 : x
  2. Step 2: Convert to fraction form
    518,323,114.40/777,484,671.60 = 503,974,207.40/x
  3. Step 3: Cross multiply
    518,323,114.40x = 777,484,671.60 × 503,974,207.40
  4. Step 4: Simplify right side
    518,323,114.40x = 391,832,221,135,259,264
  5. Step 5: Solve for x
    x = 391,832,221,135,259,264/518,323,114.40
  6. Step 6: Final answer
    x = 755,961,311.10

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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.