Home / 523,499,534.15-785,249,301.23-442,877,966.15

Finding the Fourth Proportional to 523,499,534.15, 785,249,301.23 and 442,877,966.15

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Solution

The fourth proportional to 523,499,534.15, 785,249,301.23 and 442,877,966.15 is: 664,316,949.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,499,534.15 : 785,249,301.23 = 442,877,966.15 : x
  2. Step 2: Convert to fraction form
    523,499,534.15/785,249,301.23 = 442,877,966.15/x
  3. Step 3: Cross multiply
    523,499,534.15x = 785,249,301.23 × 442,877,966.15
  4. Step 4: Simplify right side
    523,499,534.15x = 347,769,613,447,236,672
  5. Step 5: Solve for x
    x = 347,769,613,447,236,672/523,499,534.15
  6. Step 6: Final answer
    x = 664,316,949.23

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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.