Home / 412,124,290.64-618,210,001.20-116,996,326.05

Finding the Fourth Proportional to 412,124,290.64, 618,210,001.20 and 116,996,326.05

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Solution

The fourth proportional to 412,124,290.64, 618,210,001.20 and 116,996,326.05 is: 175,501,178.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,124,290.64 : 618,210,001.20 = 116,996,326.05 : x
  2. Step 2: Convert to fraction form
    412,124,290.64/618,210,001.20 = 116,996,326.05/x
  3. Step 3: Cross multiply
    412,124,290.64x = 618,210,001.20 × 116,996,326.05
  4. Step 4: Simplify right side
    412,124,290.64x = 72,328,298,870,526,624
  5. Step 5: Solve for x
    x = 72,328,298,870,526,624/412,124,290.64
  6. Step 6: Final answer
    x = 175,501,178.92

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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.