Home / 814,532,898.60-1,221,799,347.90-296,980,223.40

Finding the Fourth Proportional to 814,532,898.60, 1,221,799,347.90 and 296,980,223.40

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Solution

The fourth proportional to 814,532,898.60, 1,221,799,347.90 and 296,980,223.40 is: 445,470,335.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,532,898.60 : 1,221,799,347.90 = 296,980,223.40 : x
  2. Step 2: Convert to fraction form
    814,532,898.60/1,221,799,347.90 = 296,980,223.40/x
  3. Step 3: Cross multiply
    814,532,898.60x = 1,221,799,347.90 × 296,980,223.40
  4. Step 4: Simplify right side
    814,532,898.60x = 362,850,243,289,316,352
  5. Step 5: Solve for x
    x = 362,850,243,289,316,352/814,532,898.60
  6. Step 6: Final answer
    x = 445,470,335.10

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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.