Home / 147,333,829,679.60-221,000,744,519.40-80,387,569,180.40

Finding the Fourth Proportional to 147,333,829,679.60, 221,000,744,519.40 and 80,387,569,180.40

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Solution

The fourth proportional to 147,333,829,679.60, 221,000,744,519.40 and 80,387,569,180.40 is: 120,581,353,770.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,333,829,679.60 : 221,000,744,519.40 = 80,387,569,180.40 : x
  2. Step 2: Convert to fraction form
    147,333,829,679.60/221,000,744,519.40 = 80,387,569,180.40/x
  3. Step 3: Cross multiply
    147,333,829,679.60x = 221,000,744,519.40 × 80,387,569,180.40
  4. Step 4: Simplify right side
    147,333,829,679.60x = 17,765,712,638,973,172,514,816
  5. Step 5: Solve for x
    x = 17,765,712,638,973,172,514,816/147,333,829,679.60
  6. Step 6: Final answer
    x = 120,581,353,770.60

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1.5x scale

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.