Home / 663,806,841.10-916,056,366.58-366,451,526.72

Finding the Fourth Proportional to 663,806,841.10, 916,056,366.58 and 366,451,526.72

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Solution

The fourth proportional to 663,806,841.10, 916,056,366.58 and 366,451,526.72 is: 505,704,722.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,806,841.10 : 916,056,366.58 = 366,451,526.72 : x
  2. Step 2: Convert to fraction form
    663,806,841.10/916,056,366.58 = 366,451,526.72/x
  3. Step 3: Cross multiply
    663,806,841.10x = 916,056,366.58 × 366,451,526.72
  4. Step 4: Simplify right side
    663,806,841.10x = 335,690,254,090,493,120
  5. Step 5: Solve for x
    x = 335,690,254,090,493,120/663,806,841.10
  6. Step 6: Final answer
    x = 505,704,722.08

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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.