Home / 7,142,411,589.32-9,847,378,191.07-5,850,162,888.42

Finding the Fourth Proportional to 7,142,411,589.32, 9,847,378,191.07 and 5,850,162,888.42

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Solution

The fourth proportional to 7,142,411,589.32, 9,847,378,191.07 and 5,850,162,888.42 is: 8,065,730,421.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,142,411,589.32 : 9,847,378,191.07 = 5,850,162,888.42 : x
  2. Step 2: Convert to fraction form
    7,142,411,589.32/9,847,378,191.07 = 5,850,162,888.42/x
  3. Step 3: Cross multiply
    7,142,411,589.32x = 9,847,378,191.07 × 5,850,162,888.42
  4. Step 4: Simplify right side
    7,142,411,589.32x = 57,608,766,441,677,643,776
  5. Step 5: Solve for x
    x = 57,608,766,441,677,643,776/7,142,411,589.32
  6. Step 6: Final answer
    x = 8,065,730,421.89

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Double scale
Find fourth proportional to 7,142,411,590.32, 9,847,378,192.45 and 5,850,162,889.42
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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.