Home / 21,275,157,681.70-31,912,736,522.55-6,551,265,912.10

Finding the Fourth Proportional to 21,275,157,681.70, 31,912,736,522.55 and 6,551,265,912.10

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Solution

The fourth proportional to 21,275,157,681.70, 31,912,736,522.55 and 6,551,265,912.10 is: 9,826,898,868.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,275,157,681.70 : 31,912,736,522.55 = 6,551,265,912.10 : x
  2. Step 2: Convert to fraction form
    21,275,157,681.70/31,912,736,522.55 = 6,551,265,912.10/x
  3. Step 3: Cross multiply
    21,275,157,681.70x = 31,912,736,522.55 × 6,551,265,912.10
  4. Step 4: Simplify right side
    21,275,157,681.70x = 209,068,822,942,010,507,264
  5. Step 5: Solve for x
    x = 209,068,822,942,010,507,264/21,275,157,681.70
  6. Step 6: Final answer
    x = 9,826,898,868.15

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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.