Home / 712,667,712.60-1,069,001,568.90-467,779,699.80

Finding the Fourth Proportional to 712,667,712.60, 1,069,001,568.90 and 467,779,699.80

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Solution

The fourth proportional to 712,667,712.60, 1,069,001,568.90 and 467,779,699.80 is: 701,669,549.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,667,712.60 : 1,069,001,568.90 = 467,779,699.80 : x
  2. Step 2: Convert to fraction form
    712,667,712.60/1,069,001,568.90 = 467,779,699.80/x
  3. Step 3: Cross multiply
    712,667,712.60x = 1,069,001,568.90 × 467,779,699.80
  4. Step 4: Simplify right side
    712,667,712.60x = 500,057,232,985,771,008
  5. Step 5: Solve for x
    x = 500,057,232,985,771,008/712,667,712.60
  6. Step 6: Final answer
    x = 701,669,549.70

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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.