Home / 1,152,072,919.50-1,589,353,988.09-675,520,042.65

Finding the Fourth Proportional to 1,152,072,919.50, 1,589,353,988.09 and 675,520,042.65

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Solution

The fourth proportional to 1,152,072,919.50, 1,589,353,988.09 and 675,520,042.65 is: 931,920,589.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,152,072,919.50 : 1,589,353,988.09 = 675,520,042.65 : x
  2. Step 2: Convert to fraction form
    1,152,072,919.50/1,589,353,988.09 = 675,520,042.65/x
  3. Step 3: Cross multiply
    1,152,072,919.50x = 1,589,353,988.09 × 675,520,042.65
  4. Step 4: Simplify right side
    1,152,072,919.50x = 1,073,640,473,817,126,784
  5. Step 5: Solve for x
    x = 1,073,640,473,817,126,784/1,152,072,919.50
  6. Step 6: Final answer
    x = 931,920,589.09

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.