Home / 13,635,207,108.60-18,829,581,337.40-12,892,369,507.60

Finding the Fourth Proportional to 13,635,207,108.60, 18,829,581,337.40 and 12,892,369,507.60

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Solution

The fourth proportional to 13,635,207,108.60, 18,829,581,337.40 and 12,892,369,507.60 is: 17,803,757,459.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,635,207,108.60 : 18,829,581,337.40 = 12,892,369,507.60 : x
  2. Step 2: Convert to fraction form
    13,635,207,108.60/18,829,581,337.40 = 12,892,369,507.60/x
  3. Step 3: Cross multiply
    13,635,207,108.60x = 18,829,581,337.40 × 12,892,369,507.60
  4. Step 4: Simplify right side
    13,635,207,108.60x = 242,757,920,275,169,804,288
  5. Step 5: Solve for x
    x = 242,757,920,275,169,804,288/13,635,207,108.60
  6. Step 6: Final answer
    x = 17,803,757,459.76

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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.