Home / 519,048,468.40-778,572,702.60-155,495,585.20

Finding the Fourth Proportional to 519,048,468.40, 778,572,702.60 and 155,495,585.20

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Solution

The fourth proportional to 519,048,468.40, 778,572,702.60 and 155,495,585.20 is: 233,243,377.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,048,468.40 : 778,572,702.60 = 155,495,585.20 : x
  2. Step 2: Convert to fraction form
    519,048,468.40/778,572,702.60 = 155,495,585.20/x
  3. Step 3: Cross multiply
    519,048,468.40x = 778,572,702.60 × 155,495,585.20
  4. Step 4: Simplify right side
    519,048,468.40x = 121,064,618,011,532,560
  5. Step 5: Solve for x
    x = 121,064,618,011,532,560/519,048,468.40
  6. Step 6: Final answer
    x = 233,243,377.80

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Similar ratio
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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.