Home / 519,048,481.40-778,572,722.10-155,495,598.20

Finding the Fourth Proportional to 519,048,481.40, 778,572,722.10 and 155,495,598.20

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Solution

The fourth proportional to 519,048,481.40, 778,572,722.10 and 155,495,598.20 is: 233,243,397.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,048,481.40 : 778,572,722.10 = 155,495,598.20 : x
  2. Step 2: Convert to fraction form
    519,048,481.40/778,572,722.10 = 155,495,598.20/x
  3. Step 3: Cross multiply
    519,048,481.40x = 778,572,722.10 × 155,495,598.20
  4. Step 4: Simplify right side
    519,048,481.40x = 121,064,631,165,141,856
  5. Step 5: Solve for x
    x = 121,064,631,165,141,856/519,048,481.40
  6. Step 6: Final answer
    x = 233,243,397.30

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Double scale
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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.