Home / 1,230,088,863.95-1,697,521,535.56-694,353,294.88

Finding the Fourth Proportional to 1,230,088,863.95, 1,697,521,535.56 and 694,353,294.88

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Solution

The fourth proportional to 1,230,088,863.95, 1,697,521,535.56 and 694,353,294.88 is: 958,206,927.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,230,088,863.95 : 1,697,521,535.56 = 694,353,294.88 : x
  2. Step 2: Convert to fraction form
    1,230,088,863.95/1,697,521,535.56 = 694,353,294.88/x
  3. Step 3: Cross multiply
    1,230,088,863.95x = 1,697,521,535.56 × 694,353,294.88
  4. Step 4: Simplify right side
    1,230,088,863.95x = 1,178,679,671,337,355,520
  5. Step 5: Solve for x
    x = 1,178,679,671,337,355,520/1,230,088,863.95
  6. Step 6: Final answer
    x = 958,206,927.87

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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.