Home / 28,330,335,005.32-42,510,209,765.18-11,554,453,875.34

Finding the Fourth Proportional to 28,330,335,005.32, 42,510,209,765.18 and 11,554,453,875.34

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Solution

The fourth proportional to 28,330,335,005.32, 42,510,209,765.18 and 11,554,453,875.34 is: 17,337,679,129.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,330,335,005.32 : 42,510,209,765.18 = 11,554,453,875.34 : x
  2. Step 2: Convert to fraction form
    28,330,335,005.32/42,510,209,765.18 = 11,554,453,875.34/x
  3. Step 3: Cross multiply
    28,330,335,005.32x = 42,510,209,765.18 × 11,554,453,875.34
  4. Step 4: Simplify right side
    28,330,335,005.32x = 491,182,257,962,800,381,952
  5. Step 5: Solve for x
    x = 491,182,257,962,800,381,952/28,330,335,005.32
  6. Step 6: Final answer
    x = 17,337,679,129.83

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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.