Home / 1,165,402,440.30-1,748,103,660.45-798,070,421.10

Finding the Fourth Proportional to 1,165,402,440.30, 1,748,103,660.45 and 798,070,421.10

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Solution

The fourth proportional to 1,165,402,440.30, 1,748,103,660.45 and 798,070,421.10 is: 1,197,105,631.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,165,402,440.30 : 1,748,103,660.45 = 798,070,421.10 : x
  2. Step 2: Convert to fraction form
    1,165,402,440.30/1,748,103,660.45 = 798,070,421.10/x
  3. Step 3: Cross multiply
    1,165,402,440.30x = 1,748,103,660.45 × 798,070,421.10
  4. Step 4: Simplify right side
    1,165,402,440.30x = 1,395,109,824,421,783,040
  5. Step 5: Solve for x
    x = 1,395,109,824,421,783,040/1,165,402,440.30
  6. Step 6: Final answer
    x = 1,197,105,631.65

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.