Home / 608,656,267,516.90-839,962,051,871.65-358,103,451,692.10

Finding the Fourth Proportional to 608,656,267,516.90, 839,962,051,871.65 and 358,103,451,692.10

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Solution

The fourth proportional to 608,656,267,516.90, 839,962,051,871.65 and 358,103,451,692.10 is: 494,192,413,877.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,656,267,516.90 : 839,962,051,871.65 = 358,103,451,692.10 : x
  2. Step 2: Convert to fraction form
    608,656,267,516.90/839,962,051,871.65 = 358,103,451,692.10/x
  3. Step 3: Cross multiply
    608,656,267,516.90x = 839,962,051,871.65 × 358,103,451,692.10
  4. Step 4: Simplify right side
    608,656,267,516.90x = 300,793,310,065,616,587,063,296
  5. Step 5: Solve for x
    x = 300,793,310,065,616,587,063,296/608,656,267,516.90
  6. Step 6: Final answer
    x = 494,192,413,877.12

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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.