Home / 586,789,862.10-880,184,793.15-542,447,999.70

Finding the Fourth Proportional to 586,789,862.10, 880,184,793.15 and 542,447,999.70

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Solution

The fourth proportional to 586,789,862.10, 880,184,793.15 and 542,447,999.70 is: 813,671,999.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,789,862.10 : 880,184,793.15 = 542,447,999.70 : x
  2. Step 2: Convert to fraction form
    586,789,862.10/880,184,793.15 = 542,447,999.70/x
  3. Step 3: Cross multiply
    586,789,862.10x = 880,184,793.15 × 542,447,999.70
  4. Step 4: Simplify right side
    586,789,862.10x = 477,454,480,410,575,808
  5. Step 5: Solve for x
    x = 477,454,480,410,575,808/586,789,862.10
  6. Step 6: Final answer
    x = 813,671,999.55

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Double scale
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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.