Home / 1,186,153,215.39-1,779,210,017.98-288,769,456.96

Finding the Fourth Proportional to 1,186,153,215.39, 1,779,210,017.98 and 288,769,456.96

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Solution

The fourth proportional to 1,186,153,215.39, 1,779,210,017.98 and 288,769,456.96 is: 433,149,363.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,186,153,215.39 : 1,779,210,017.98 = 288,769,456.96 : x
  2. Step 2: Convert to fraction form
    1,186,153,215.39/1,779,210,017.98 = 288,769,456.96/x
  3. Step 3: Cross multiply
    1,186,153,215.39x = 1,779,210,017.98 × 288,769,456.96
  4. Step 4: Simplify right side
    1,186,153,215.39x = 513,781,510,704,706,432
  5. Step 5: Solve for x
    x = 513,781,510,704,706,432/1,186,153,215.39
  6. Step 6: Final answer
    x = 433,149,363.88

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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.