Home / 510,680,246.40-766,020,369.60-354,811,881.60

Finding the Fourth Proportional to 510,680,246.40, 766,020,369.60 and 354,811,881.60

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Solution

The fourth proportional to 510,680,246.40, 766,020,369.60 and 354,811,881.60 is: 532,217,822.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,680,246.40 : 766,020,369.60 = 354,811,881.60 : x
  2. Step 2: Convert to fraction form
    510,680,246.40/766,020,369.60 = 354,811,881.60/x
  3. Step 3: Cross multiply
    510,680,246.40x = 766,020,369.60 × 354,811,881.60
  4. Step 4: Simplify right side
    510,680,246.40x = 271,793,128,681,703,456
  5. Step 5: Solve for x
    x = 271,793,128,681,703,456/510,680,246.40
  6. Step 6: Final answer
    x = 532,217,822.40

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Double scale
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Similar ratio
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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.