Home / 13,928,081,415.10-20,864,912,343.45-8,390,891,347.90

Finding the Fourth Proportional to 13,928,081,415.10, 20,864,912,343.45 and 8,390,891,347.90

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Solution

The fourth proportional to 13,928,081,415.10, 20,864,912,343.45 and 8,390,891,347.90 is: 12,569,944,649.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,928,081,415.10 : 20,864,912,343.45 = 8,390,891,347.90 : x
  2. Step 2: Convert to fraction form
    13,928,081,415.10/20,864,912,343.45 = 8,390,891,347.90/x
  3. Step 3: Cross multiply
    13,928,081,415.10x = 20,864,912,343.45 × 8,390,891,347.90
  4. Step 4: Simplify right side
    13,928,081,415.10x = 175,075,212,457,346,531,328
  5. Step 5: Solve for x
    x = 175,075,212,457,346,531,328/13,928,081,415.10
  6. Step 6: Final answer
    x = 12,569,944,649.20

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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.