Home / 870,178,182.19-1,305,303,293.17-256,762,407.94

Finding the Fourth Proportional to 870,178,182.19, 1,305,303,293.17 and 256,762,407.94

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Solution

The fourth proportional to 870,178,182.19, 1,305,303,293.17 and 256,762,407.94 is: 385,154,240.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,178,182.19 : 1,305,303,293.17 = 256,762,407.94 : x
  2. Step 2: Convert to fraction form
    870,178,182.19/1,305,303,293.17 = 256,762,407.94/x
  3. Step 3: Cross multiply
    870,178,182.19x = 1,305,303,293.17 × 256,762,407.94
  4. Step 4: Simplify right side
    870,178,182.19x = 335,152,816,643,385,792
  5. Step 5: Solve for x
    x = 335,152,816,643,385,792/870,178,182.19
  6. Step 6: Final answer
    x = 385,154,240.25

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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.