Home / 26,306,475,143.70-39,459,712,715.55-12,359,337,539.70

Finding the Fourth Proportional to 26,306,475,143.70, 39,459,712,715.55 and 12,359,337,539.70

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Solution

The fourth proportional to 26,306,475,143.70, 39,459,712,715.55 and 12,359,337,539.70 is: 18,539,006,309.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,306,475,143.70 : 39,459,712,715.55 = 12,359,337,539.70 : x
  2. Step 2: Convert to fraction form
    26,306,475,143.70/39,459,712,715.55 = 12,359,337,539.70/x
  3. Step 3: Cross multiply
    26,306,475,143.70x = 39,459,712,715.55 × 12,359,337,539.70
  4. Step 4: Simplify right side
    26,306,475,143.70x = 487,695,908,671,074,598,912
  5. Step 5: Solve for x
    x = 487,695,908,671,074,598,912/26,306,475,143.70
  6. Step 6: Final answer
    x = 18,539,006,309.55

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Double scale
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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.