Home / 9,391,038,820.44-12,959,459,226.90-5,161,860,298.68

Finding the Fourth Proportional to 9,391,038,820.44, 12,959,459,226.90 and 5,161,860,298.68

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Solution

The fourth proportional to 9,391,038,820.44, 12,959,459,226.90 and 5,161,860,298.68 is: 7,123,271,381.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,391,038,820.44 : 12,959,459,226.90 = 5,161,860,298.68 : x
  2. Step 2: Convert to fraction form
    9,391,038,820.44/12,959,459,226.90 = 5,161,860,298.68/x
  3. Step 3: Cross multiply
    9,391,038,820.44x = 12,959,459,226.90 × 5,161,860,298.68
  4. Step 4: Simplify right side
    9,391,038,820.44x = 66,894,918,075,697,315,840
  5. Step 5: Solve for x
    x = 66,894,918,075,697,315,840/9,391,038,820.44
  6. Step 6: Final answer
    x = 7,123,271,381.87

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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.