Home / 985,608,047.70-1,478,412,071.55-501,878,639.70

Finding the Fourth Proportional to 985,608,047.70, 1,478,412,071.55 and 501,878,639.70

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Solution

The fourth proportional to 985,608,047.70, 1,478,412,071.55 and 501,878,639.70 is: 752,817,959.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,608,047.70 : 1,478,412,071.55 = 501,878,639.70 : x
  2. Step 2: Convert to fraction form
    985,608,047.70/1,478,412,071.55 = 501,878,639.70/x
  3. Step 3: Cross multiply
    985,608,047.70x = 1,478,412,071.55 × 501,878,639.70
  4. Step 4: Simplify right side
    985,608,047.70x = 741,983,439,385,572,992
  5. Step 5: Solve for x
    x = 741,983,439,385,572,992/985,608,047.70
  6. Step 6: Final answer
    x = 752,817,959.55

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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.