Home / 1,055,932,132.60-1,584,087,155.70-442,578,359.80

Finding the Fourth Proportional to 1,055,932,132.60, 1,584,087,155.70 and 442,578,359.80

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Solution

The fourth proportional to 1,055,932,132.60, 1,584,087,155.70 and 442,578,359.80 is: 663,946,738.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,055,932,132.60 : 1,584,087,155.70 = 442,578,359.80 : x
  2. Step 2: Convert to fraction form
    1,055,932,132.60/1,584,087,155.70 = 442,578,359.80/x
  3. Step 3: Cross multiply
    1,055,932,132.60x = 1,584,087,155.70 × 442,578,359.80
  4. Step 4: Simplify right side
    1,055,932,132.60x = 701,082,695,149,953,280
  5. Step 5: Solve for x
    x = 701,082,695,149,953,280/1,055,932,132.60
  6. Step 6: Final answer
    x = 663,946,738.15

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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.