Home / 979,874,079.03-1,351,317,923.61-715,136,737.59

Finding the Fourth Proportional to 979,874,079.03, 1,351,317,923.61 and 715,136,737.59

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Solution

The fourth proportional to 979,874,079.03, 1,351,317,923.61 and 715,136,737.59 is: 986,225,793.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,874,079.03 : 1,351,317,923.61 = 715,136,737.59 : x
  2. Step 2: Convert to fraction form
    979,874,079.03/1,351,317,923.61 = 715,136,737.59/x
  3. Step 3: Cross multiply
    979,874,079.03x = 1,351,317,923.61 × 715,136,737.59
  4. Step 4: Simplify right side
    979,874,079.03x = 966,377,091,337,348,224
  5. Step 5: Solve for x
    x = 966,377,091,337,348,224/979,874,079.03
  6. Step 6: Final answer
    x = 986,225,793.72

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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.