Home / 1,230,088,871.89-1,697,521,546.50-694,353,302.83

Finding the Fourth Proportional to 1,230,088,871.89, 1,697,521,546.50 and 694,353,302.83

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Solution

The fourth proportional to 1,230,088,871.89, 1,697,521,546.50 and 694,353,302.83 is: 958,206,938.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,230,088,871.89 : 1,697,521,546.50 = 694,353,302.83 : x
  2. Step 2: Convert to fraction form
    1,230,088,871.89/1,697,521,546.50 = 694,353,302.83/x
  3. Step 3: Cross multiply
    1,230,088,871.89x = 1,697,521,546.50 × 694,353,302.83
  4. Step 4: Simplify right side
    1,230,088,871.89x = 1,178,679,692,428,876,800
  5. Step 5: Solve for x
    x = 1,178,679,692,428,876,800/1,230,088,871.89
  6. Step 6: Final answer
    x = 958,206,938.84

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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.