Home / 882,252,145.40-1,323,378,218.10-398,522,737.40

Finding the Fourth Proportional to 882,252,145.40, 1,323,378,218.10 and 398,522,737.40

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Solution

The fourth proportional to 882,252,145.40, 1,323,378,218.10 and 398,522,737.40 is: 597,784,106.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    882,252,145.40 : 1,323,378,218.10 = 398,522,737.40 : x
  2. Step 2: Convert to fraction form
    882,252,145.40/1,323,378,218.10 = 398,522,737.40/x
  3. Step 3: Cross multiply
    882,252,145.40x = 1,323,378,218.10 × 398,522,737.40
  4. Step 4: Simplify right side
    882,252,145.40x = 527,396,310,092,746,176
  5. Step 5: Solve for x
    x = 527,396,310,092,746,176/882,252,145.40
  6. Step 6: Final answer
    x = 597,784,106.10

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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.