Home / 608,656,267,515.90-839,962,051,870.27-358,103,451,691.10

Finding the Fourth Proportional to 608,656,267,515.90, 839,962,051,870.27 and 358,103,451,691.10

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Solution

The fourth proportional to 608,656,267,515.90, 839,962,051,870.27 and 358,103,451,691.10 is: 494,192,413,875.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,656,267,515.90 : 839,962,051,870.27 = 358,103,451,691.10 : x
  2. Step 2: Convert to fraction form
    608,656,267,515.90/839,962,051,870.27 = 358,103,451,691.10/x
  3. Step 3: Cross multiply
    608,656,267,515.90x = 839,962,051,870.27 × 358,103,451,691.10
  4. Step 4: Simplify right side
    608,656,267,515.90x = 300,793,310,064,282,462,846,976
  5. Step 5: Solve for x
    x = 300,793,310,064,282,462,846,976/608,656,267,515.90
  6. Step 6: Final answer
    x = 494,192,413,875.74

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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.