Home / 2,115,019,387.70-2,918,792,454.10-1,162,382,839.46

Finding the Fourth Proportional to 2,115,019,387.70, 2,918,792,454.10 and 1,162,382,839.46

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Solution

The fourth proportional to 2,115,019,387.70, 2,918,792,454.10 and 1,162,382,839.46 is: 1,604,124,425.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,115,019,387.70 : 2,918,792,454.10 = 1,162,382,839.46 : x
  2. Step 2: Convert to fraction form
    2,115,019,387.70/2,918,792,454.10 = 1,162,382,839.46/x
  3. Step 3: Cross multiply
    2,115,019,387.70x = 2,918,792,454.10 × 1,162,382,839.46
  4. Step 4: Simplify right side
    2,115,019,387.70x = 3,392,754,260,573,679,616
  5. Step 5: Solve for x
    x = 3,392,754,260,573,679,616/2,115,019,387.70
  6. Step 6: Final answer
    x = 1,604,124,425.67

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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.