Home / 1,230,088,865.96-1,697,521,538.32-694,353,296.88

Finding the Fourth Proportional to 1,230,088,865.96, 1,697,521,538.32 and 694,353,296.88

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Solution

The fourth proportional to 1,230,088,865.96, 1,697,521,538.32 and 694,353,296.88 is: 958,206,930.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,230,088,865.96 : 1,697,521,538.32 = 694,353,296.88 : x
  2. Step 2: Convert to fraction form
    1,230,088,865.96/1,697,521,538.32 = 694,353,296.88/x
  3. Step 3: Cross multiply
    1,230,088,865.96x = 1,697,521,538.32 × 694,353,296.88
  4. Step 4: Simplify right side
    1,230,088,865.96x = 1,178,679,676,657,301,248
  5. Step 5: Solve for x
    x = 1,178,679,676,657,301,248/1,230,088,865.96
  6. Step 6: Final answer
    x = 958,206,930.63

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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.