Home / 556,055,251.80-834,082,877.70-427,312,685.40

Finding the Fourth Proportional to 556,055,251.80, 834,082,877.70 and 427,312,685.40

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Solution

The fourth proportional to 556,055,251.80, 834,082,877.70 and 427,312,685.40 is: 640,969,028.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,055,251.80 : 834,082,877.70 = 427,312,685.40 : x
  2. Step 2: Convert to fraction form
    556,055,251.80/834,082,877.70 = 427,312,685.40/x
  3. Step 3: Cross multiply
    556,055,251.80x = 834,082,877.70 × 427,312,685.40
  4. Step 4: Simplify right side
    556,055,251.80x = 356,414,194,316,146,752
  5. Step 5: Solve for x
    x = 356,414,194,316,146,752/556,055,251.80
  6. Step 6: Final answer
    x = 640,969,028.10

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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.