Home / 979,874,107-1,351,317,962.34-715,136,765.56

Finding the Fourth Proportional to 979,874,107, 1,351,317,962.34 and 715,136,765.56

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Solution

The fourth proportional to 979,874,107, 1,351,317,962.34 and 715,136,765.56 is: 986,225,832.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,874,107 : 1,351,317,962.34 = 715,136,765.56 : x
  2. Step 2: Convert to fraction form
    979,874,107/1,351,317,962.34 = 715,136,765.56/x
  3. Step 3: Cross multiply
    979,874,107x = 1,351,317,962.34 × 715,136,765.56
  4. Step 4: Simplify right side
    979,874,107x = 966,377,156,830,957,312
  5. Step 5: Solve for x
    x = 966,377,156,830,957,312/979,874,107
  6. Step 6: Final answer
    x = 986,225,832.41

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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.