Home / 1,439,601,482.28-1,986,649,561.44-779,551,760.28

Finding the Fourth Proportional to 1,439,601,482.28, 1,986,649,561.44 and 779,551,760.28

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Solution

The fourth proportional to 1,439,601,482.28, 1,986,649,561.44 and 779,551,760.28 is: 1,075,781,167.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,439,601,482.28 : 1,986,649,561.44 = 779,551,760.28 : x
  2. Step 2: Convert to fraction form
    1,439,601,482.28/1,986,649,561.44 = 779,551,760.28/x
  3. Step 3: Cross multiply
    1,439,601,482.28x = 1,986,649,561.44 × 779,551,760.28
  4. Step 4: Simplify right side
    1,439,601,482.28x = 1,548,696,162,680,041,984
  5. Step 5: Solve for x
    x = 1,548,696,162,680,041,984/1,439,601,482.28
  6. Step 6: Final answer
    x = 1,075,781,167.04

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Double scale
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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.