Home / 531,925,936.40-797,888,904.60-519,982,000.40

Finding the Fourth Proportional to 531,925,936.40, 797,888,904.60 and 519,982,000.40

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Solution

The fourth proportional to 531,925,936.40, 797,888,904.60 and 519,982,000.40 is: 779,973,000.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,925,936.40 : 797,888,904.60 = 519,982,000.40 : x
  2. Step 2: Convert to fraction form
    531,925,936.40/797,888,904.60 = 519,982,000.40/x
  3. Step 3: Cross multiply
    531,925,936.40x = 797,888,904.60 × 519,982,000.40
  4. Step 4: Simplify right side
    531,925,936.40x = 414,887,868,710,872,768
  5. Step 5: Solve for x
    x = 414,887,868,710,872,768/531,925,936.40
  6. Step 6: Final answer
    x = 779,973,000.60

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Half scale
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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.