Home / 651,853,009.60-977,779,514.40-498,798,001.60

Finding the Fourth Proportional to 651,853,009.60, 977,779,514.40 and 498,798,001.60

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Solution

The fourth proportional to 651,853,009.60, 977,779,514.40 and 498,798,001.60 is: 748,197,002.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,853,009.60 : 977,779,514.40 = 498,798,001.60 : x
  2. Step 2: Convert to fraction form
    651,853,009.60/977,779,514.40 = 498,798,001.60/x
  3. Step 3: Cross multiply
    651,853,009.60x = 977,779,514.40 × 498,798,001.60
  4. Step 4: Simplify right side
    651,853,009.60x = 487,714,467,788,138,432
  5. Step 5: Solve for x
    x = 487,714,467,788,138,432/651,853,009.60
  6. Step 6: Final answer
    x = 748,197,002.40

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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.