Home / 15,604,788,779.42-21,534,608,658.30-8,468,202,581.15

Finding the Fourth Proportional to 15,604,788,779.42, 21,534,608,658.30 and 8,468,202,581.15

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Solution

The fourth proportional to 15,604,788,779.42, 21,534,608,658.30 and 8,468,202,581.15 is: 11,686,119,639.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,604,788,779.42 : 21,534,608,658.30 = 8,468,202,581.15 : x
  2. Step 2: Convert to fraction form
    15,604,788,779.42/21,534,608,658.30 = 8,468,202,581.15/x
  3. Step 3: Cross multiply
    15,604,788,779.42x = 21,534,608,658.30 × 8,468,202,581.15
  4. Step 4: Simplify right side
    15,604,788,779.42x = 182,359,428,624,271,179,776
  5. Step 5: Solve for x
    x = 182,359,428,624,271,179,776/15,604,788,779.42
  6. Step 6: Final answer
    x = 11,686,119,639.43

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Double scale
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1.5x scale

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.