Home / 870,186,710.20-1,305,280,065.30-295,758,038.20

Finding the Fourth Proportional to 870,186,710.20, 1,305,280,065.30 and 295,758,038.20

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Solution

The fourth proportional to 870,186,710.20, 1,305,280,065.30 and 295,758,038.20 is: 443,637,057.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,186,710.20 : 1,305,280,065.30 = 295,758,038.20 : x
  2. Step 2: Convert to fraction form
    870,186,710.20/1,305,280,065.30 = 295,758,038.20/x
  3. Step 3: Cross multiply
    870,186,710.20x = 1,305,280,065.30 × 295,758,038.20
  4. Step 4: Simplify right side
    870,186,710.20x = 386,047,071,414,695,872
  5. Step 5: Solve for x
    x = 386,047,071,414,695,872/870,186,710.20
  6. Step 6: Final answer
    x = 443,637,057.30

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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.