Home / 1,189,617,521.22-1,641,573,505.83-653,741,009.11

Finding the Fourth Proportional to 1,189,617,521.22, 1,641,573,505.83 and 653,741,009.11

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Solution

The fourth proportional to 1,189,617,521.22, 1,641,573,505.83 and 653,741,009.11 is: 902,108,367.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,189,617,521.22 : 1,641,573,505.83 = 653,741,009.11 : x
  2. Step 2: Convert to fraction form
    1,189,617,521.22/1,641,573,505.83 = 653,741,009.11/x
  3. Step 3: Cross multiply
    1,189,617,521.22x = 1,641,573,505.83 × 653,741,009.11
  4. Step 4: Simplify right side
    1,189,617,521.22x = 1,073,163,920,237,117,952
  5. Step 5: Solve for x
    x = 1,073,163,920,237,117,952/1,189,617,521.22
  6. Step 6: Final answer
    x = 902,108,367.68

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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.