Home / 1,302,784,081.80-1,954,176,122.70-915,044,728.20

Finding the Fourth Proportional to 1,302,784,081.80, 1,954,176,122.70 and 915,044,728.20

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Solution

The fourth proportional to 1,302,784,081.80, 1,954,176,122.70 and 915,044,728.20 is: 1,372,567,092.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,302,784,081.80 : 1,954,176,122.70 = 915,044,728.20 : x
  2. Step 2: Convert to fraction form
    1,302,784,081.80/1,954,176,122.70 = 915,044,728.20/x
  3. Step 3: Cross multiply
    1,302,784,081.80x = 1,954,176,122.70 × 915,044,728.20
  4. Step 4: Simplify right side
    1,302,784,081.80x = 1,788,158,559,050,951,424
  5. Step 5: Solve for x
    x = 1,788,158,559,050,951,424/1,302,784,081.80
  6. Step 6: Final answer
    x = 1,372,567,092.30

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Double scale
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Similar ratio
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1.5x scale

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.