Home / 1,417,599,587.12-1,956,287,503.68-782,520,247.04

Finding the Fourth Proportional to 1,417,599,587.12, 1,956,287,503.68 and 782,520,247.04

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Solution

The fourth proportional to 1,417,599,587.12, 1,956,287,503.68 and 782,520,247.04 is: 1,079,877,981.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,417,599,587.12 : 1,956,287,503.68 = 782,520,247.04 : x
  2. Step 2: Convert to fraction form
    1,417,599,587.12/1,956,287,503.68 = 782,520,247.04/x
  3. Step 3: Cross multiply
    1,417,599,587.12x = 1,956,287,503.68 × 782,520,247.04
  4. Step 4: Simplify right side
    1,417,599,587.12x = 1,530,834,580,660,938,496
  5. Step 5: Solve for x
    x = 1,530,834,580,660,938,496/1,417,599,587.12
  6. Step 6: Final answer
    x = 1,079,877,981.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.