Home / 651,872,147.10-977,808,220.65-498,817,139.10

Finding the Fourth Proportional to 651,872,147.10, 977,808,220.65 and 498,817,139.10

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Solution

The fourth proportional to 651,872,147.10, 977,808,220.65 and 498,817,139.10 is: 748,225,708.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,872,147.10 : 977,808,220.65 = 498,817,139.10 : x
  2. Step 2: Convert to fraction form
    651,872,147.10/977,808,220.65 = 498,817,139.10/x
  3. Step 3: Cross multiply
    651,872,147.10x = 977,808,220.65 × 498,817,139.10
  4. Step 4: Simplify right side
    651,872,147.10x = 487,747,499,213,094,528
  5. Step 5: Solve for x
    x = 487,747,499,213,094,528/651,872,147.10
  6. Step 6: Final answer
    x = 748,225,708.65

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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.