Home / 900,933,308.01-1,351,404,461.76-318,668,090.13

Finding the Fourth Proportional to 900,933,308.01, 1,351,404,461.76 and 318,668,090.13

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Solution

The fourth proportional to 900,933,308.01, 1,351,404,461.76 and 318,668,090.13 is: 478,003,726.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    900,933,308.01 : 1,351,404,461.76 = 318,668,090.13 : x
  2. Step 2: Convert to fraction form
    900,933,308.01/1,351,404,461.76 = 318,668,090.13/x
  3. Step 3: Cross multiply
    900,933,308.01x = 1,351,404,461.76 × 318,668,090.13
  4. Step 4: Simplify right side
    900,933,308.01x = 430,649,478,822,219,840
  5. Step 5: Solve for x
    x = 430,649,478,822,219,840/900,933,308.01
  6. Step 6: Final answer
    x = 478,003,726.79

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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.