Home / 870,178,175.44-1,305,303,283.05-256,762,401.19

Finding the Fourth Proportional to 870,178,175.44, 1,305,303,283.05 and 256,762,401.19

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Solution

The fourth proportional to 870,178,175.44, 1,305,303,283.05 and 256,762,401.19 is: 385,154,230.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,178,175.44 : 1,305,303,283.05 = 256,762,401.19 : x
  2. Step 2: Convert to fraction form
    870,178,175.44/1,305,303,283.05 = 256,762,401.19/x
  3. Step 3: Cross multiply
    870,178,175.44x = 1,305,303,283.05 × 256,762,401.19
  4. Step 4: Simplify right side
    870,178,175.44x = 335,152,805,232,869,312
  5. Step 5: Solve for x
    x = 335,152,805,232,869,312/870,178,175.44
  6. Step 6: Final answer
    x = 385,154,230.13

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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.