Home / 9,391,038,819.94-12,959,459,226.21-5,161,860,298.18

Finding the Fourth Proportional to 9,391,038,819.94, 12,959,459,226.21 and 5,161,860,298.18

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Solution

The fourth proportional to 9,391,038,819.94, 12,959,459,226.21 and 5,161,860,298.18 is: 7,123,271,381.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,391,038,819.94 : 12,959,459,226.21 = 5,161,860,298.18 : x
  2. Step 2: Convert to fraction form
    9,391,038,819.94/12,959,459,226.21 = 5,161,860,298.18/x
  3. Step 3: Cross multiply
    9,391,038,819.94x = 12,959,459,226.21 × 5,161,860,298.18
  4. Step 4: Simplify right side
    9,391,038,819.94x = 66,894,918,065,655,898,112
  5. Step 5: Solve for x
    x = 66,894,918,065,655,898,112/9,391,038,819.94
  6. Step 6: Final answer
    x = 7,123,271,381.18

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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.