Home / 651,853,003.60-977,779,505.40-498,797,995.60

Finding the Fourth Proportional to 651,853,003.60, 977,779,505.40 and 498,797,995.60

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Solution

The fourth proportional to 651,853,003.60, 977,779,505.40 and 498,797,995.60 is: 748,196,993.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,853,003.60 : 977,779,505.40 = 498,797,995.60 : x
  2. Step 2: Convert to fraction form
    651,853,003.60/977,779,505.40 = 498,797,995.60/x
  3. Step 3: Cross multiply
    651,853,003.60x = 977,779,505.40 × 498,797,995.60
  4. Step 4: Simplify right side
    651,853,003.60x = 487,714,457,432,279,360
  5. Step 5: Solve for x
    x = 487,714,457,432,279,360/651,853,003.60
  6. Step 6: Final answer
    x = 748,196,993.40

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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.