Home / 531,473,153.40-797,209,730.10-508,514,902.20

Finding the Fourth Proportional to 531,473,153.40, 797,209,730.10 and 508,514,902.20

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Solution

The fourth proportional to 531,473,153.40, 797,209,730.10 and 508,514,902.20 is: 762,772,353.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,473,153.40 : 797,209,730.10 = 508,514,902.20 : x
  2. Step 2: Convert to fraction form
    531,473,153.40/797,209,730.10 = 508,514,902.20/x
  3. Step 3: Cross multiply
    531,473,153.40x = 797,209,730.10 × 508,514,902.20
  4. Step 4: Simplify right side
    531,473,153.40x = 405,393,027,934,689,920
  5. Step 5: Solve for x
    x = 405,393,027,934,689,920/531,473,153.40
  6. Step 6: Final answer
    x = 762,772,353.30

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Half scale
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Double scale
Find fourth proportional to 531,473,154.40, 797,209,731.60 and 508,514,903.20
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.