Home / 870,187,111.08-1,305,280,666.61-295,758,439.08

Finding the Fourth Proportional to 870,187,111.08, 1,305,280,666.61 and 295,758,439.08

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Solution

The fourth proportional to 870,187,111.08, 1,305,280,666.61 and 295,758,439.08 is: 443,637,658.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,187,111.08 : 1,305,280,666.61 = 295,758,439.08 : x
  2. Step 2: Convert to fraction form
    870,187,111.08/1,305,280,666.61 = 295,758,439.08/x
  3. Step 3: Cross multiply
    870,187,111.08x = 1,305,280,666.61 × 295,758,439.08
  4. Step 4: Simplify right side
    870,187,111.08x = 386,047,772,517,875,392
  5. Step 5: Solve for x
    x = 386,047,772,517,875,392/870,187,111.08
  6. Step 6: Final answer
    x = 443,637,658.62

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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.