Home / 8,311,699,504.40-12,487,439,031.09-5,329,605,190.52

Finding the Fourth Proportional to 8,311,699,504.40, 12,487,439,031.09 and 5,329,605,190.52

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Solution

The fourth proportional to 8,311,699,504.40, 12,487,439,031.09 and 5,329,605,190.52 is: 8,007,161,452.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,311,699,504.40 : 12,487,439,031.09 = 5,329,605,190.52 : x
  2. Step 2: Convert to fraction form
    8,311,699,504.40/12,487,439,031.09 = 5,329,605,190.52/x
  3. Step 3: Cross multiply
    8,311,699,504.40x = 12,487,439,031.09 × 5,329,605,190.52
  4. Step 4: Simplify right side
    8,311,699,504.40x = 66,553,119,876,390,232,064
  5. Step 5: Solve for x
    x = 66,553,119,876,390,232,064/8,311,699,504.40
  6. Step 6: Final answer
    x = 8,007,161,452.50

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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.