Home / 1,055,933,019.60-1,584,088,486.20-442,579,246.80

Finding the Fourth Proportional to 1,055,933,019.60, 1,584,088,486.20 and 442,579,246.80

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Solution

The fourth proportional to 1,055,933,019.60, 1,584,088,486.20 and 442,579,246.80 is: 663,948,068.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,055,933,019.60 : 1,584,088,486.20 = 442,579,246.80 : x
  2. Step 2: Convert to fraction form
    1,055,933,019.60/1,584,088,486.20 = 442,579,246.80/x
  3. Step 3: Cross multiply
    1,055,933,019.60x = 1,584,088,486.20 × 442,579,246.80
  4. Step 4: Simplify right side
    1,055,933,019.60x = 701,084,689,086,948,224
  5. Step 5: Solve for x
    x = 701,084,689,086,948,224/1,055,933,019.60
  6. Step 6: Final answer
    x = 663,948,068.74

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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.