Home / 672,649,243.40-1,008,973,865.10-498,310,023.35

Finding the Fourth Proportional to 672,649,243.40, 1,008,973,865.10 and 498,310,023.35

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Solution

The fourth proportional to 672,649,243.40, 1,008,973,865.10 and 498,310,023.35 is: 747,465,035.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,649,243.40 : 1,008,973,865.10 = 498,310,023.35 : x
  2. Step 2: Convert to fraction form
    672,649,243.40/1,008,973,865.10 = 498,310,023.35/x
  3. Step 3: Cross multiply
    672,649,243.40x = 1,008,973,865.10 × 498,310,023.35
  4. Step 4: Simplify right side
    672,649,243.40x = 502,781,790,277,520,768
  5. Step 5: Solve for x
    x = 502,781,790,277,520,768/672,649,243.40
  6. Step 6: Final answer
    x = 747,465,035.03

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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.