Home / 1,819,431,044.16-2,729,448,436.08-638,705,454.88

Finding the Fourth Proportional to 1,819,431,044.16, 2,729,448,436.08 and 638,705,454.88

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Solution

The fourth proportional to 1,819,431,044.16, 2,729,448,436.08 and 638,705,454.88 is: 958,164,152.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,819,431,044.16 : 2,729,448,436.08 = 638,705,454.88 : x
  2. Step 2: Convert to fraction form
    1,819,431,044.16/2,729,448,436.08 = 638,705,454.88/x
  3. Step 3: Cross multiply
    1,819,431,044.16x = 2,729,448,436.08 × 638,705,454.88
  4. Step 4: Simplify right side
    1,819,431,044.16x = 1,743,313,604,937,980,928
  5. Step 5: Solve for x
    x = 1,743,313,604,937,980,928/1,819,431,044.16
  6. Step 6: Final answer
    x = 958,164,152.76

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Double scale
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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.