Home / 80,642,306,606.60-120,963,459,909.90-52,779,492,705.80

Finding the Fourth Proportional to 80,642,306,606.60, 120,963,459,909.90 and 52,779,492,705.80

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Solution

The fourth proportional to 80,642,306,606.60, 120,963,459,909.90 and 52,779,492,705.80 is: 79,169,239,058.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,642,306,606.60 : 120,963,459,909.90 = 52,779,492,705.80 : x
  2. Step 2: Convert to fraction form
    80,642,306,606.60/120,963,459,909.90 = 52,779,492,705.80/x
  3. Step 3: Cross multiply
    80,642,306,606.60x = 120,963,459,909.90 × 52,779,492,705.80
  4. Step 4: Simplify right side
    80,642,306,606.60x = 6,384,390,049,982,897,455,104
  5. Step 5: Solve for x
    x = 6,384,390,049,982,897,455,104/80,642,306,606.60
  6. Step 6: Final answer
    x = 79,169,239,058.70

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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.