Home / 302,488,854.60-453,733,281.90-299,619,073.20

Finding the Fourth Proportional to 302,488,854.60, 453,733,281.90 and 299,619,073.20

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Solution

The fourth proportional to 302,488,854.60, 453,733,281.90 and 299,619,073.20 is: 449,428,609.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,488,854.60 : 453,733,281.90 = 299,619,073.20 : x
  2. Step 2: Convert to fraction form
    302,488,854.60/453,733,281.90 = 299,619,073.20/x
  3. Step 3: Cross multiply
    302,488,854.60x = 453,733,281.90 × 299,619,073.20
  4. Step 4: Simplify right side
    302,488,854.60x = 135,947,145,402,872,320
  5. Step 5: Solve for x
    x = 135,947,145,402,872,320/302,488,854.60
  6. Step 6: Final answer
    x = 449,428,609.80

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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.