Home / 705,087,509.60-1,057,631,264.40-187,516,949.60

Finding the Fourth Proportional to 705,087,509.60, 1,057,631,264.40 and 187,516,949.60

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Solution

The fourth proportional to 705,087,509.60, 1,057,631,264.40 and 187,516,949.60 is: 281,275,424.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,087,509.60 : 1,057,631,264.40 = 187,516,949.60 : x
  2. Step 2: Convert to fraction form
    705,087,509.60/1,057,631,264.40 = 187,516,949.60/x
  3. Step 3: Cross multiply
    705,087,509.60x = 1,057,631,264.40 × 187,516,949.60
  4. Step 4: Simplify right side
    705,087,509.60x = 198,323,788,501,879,072
  5. Step 5: Solve for x
    x = 198,323,788,501,879,072/705,087,509.60
  6. Step 6: Final answer
    x = 281,275,424.40

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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.