Home / 1,230,088,865.76-1,697,521,538.06-694,353,296.69

Finding the Fourth Proportional to 1,230,088,865.76, 1,697,521,538.06 and 694,353,296.69

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Solution

The fourth proportional to 1,230,088,865.76, 1,697,521,538.06 and 694,353,296.69 is: 958,206,930.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,230,088,865.76 : 1,697,521,538.06 = 694,353,296.69 : x
  2. Step 2: Convert to fraction form
    1,230,088,865.76/1,697,521,538.06 = 694,353,296.69/x
  3. Step 3: Cross multiply
    1,230,088,865.76x = 1,697,521,538.06 × 694,353,296.69
  4. Step 4: Simplify right side
    1,230,088,865.76x = 1,178,679,676,151,215,872
  5. Step 5: Solve for x
    x = 1,178,679,676,151,215,872/1,230,088,865.76
  6. Step 6: Final answer
    x = 958,206,930.38

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Half scale
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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.