Home / 1,189,617,510.03-1,641,573,490.39-653,740,997.92

Finding the Fourth Proportional to 1,189,617,510.03, 1,641,573,490.39 and 653,740,997.92

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Solution

The fourth proportional to 1,189,617,510.03, 1,641,573,490.39 and 653,740,997.92 is: 902,108,352.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,189,617,510.03 : 1,641,573,490.39 = 653,740,997.92 : x
  2. Step 2: Convert to fraction form
    1,189,617,510.03/1,641,573,490.39 = 653,740,997.92/x
  3. Step 3: Cross multiply
    1,189,617,510.03x = 1,641,573,490.39 × 653,740,997.92
  4. Step 4: Simplify right side
    1,189,617,510.03x = 1,073,163,891,760,837,888
  5. Step 5: Solve for x
    x = 1,073,163,891,760,837,888/1,189,617,510.03
  6. Step 6: Final answer
    x = 902,108,352.24

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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.