Home / 1,049,112,139.80-1,573,668,209.70-322,006,373.40

Finding the Fourth Proportional to 1,049,112,139.80, 1,573,668,209.70 and 322,006,373.40

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Solution

The fourth proportional to 1,049,112,139.80, 1,573,668,209.70 and 322,006,373.40 is: 483,009,560.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,049,112,139.80 : 1,573,668,209.70 = 322,006,373.40 : x
  2. Step 2: Convert to fraction form
    1,049,112,139.80/1,573,668,209.70 = 322,006,373.40/x
  3. Step 3: Cross multiply
    1,049,112,139.80x = 1,573,668,209.70 × 322,006,373.40
  4. Step 4: Simplify right side
    1,049,112,139.80x = 506,731,193,140,367,680
  5. Step 5: Solve for x
    x = 506,731,193,140,367,680/1,049,112,139.80
  6. Step 6: Final answer
    x = 483,009,560.10

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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.