Home / 986,898,100.30-1,480,347,150.45-831,929,904.70

Finding the Fourth Proportional to 986,898,100.30, 1,480,347,150.45 and 831,929,904.70

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Solution

The fourth proportional to 986,898,100.30, 1,480,347,150.45 and 831,929,904.70 is: 1,247,894,857.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,898,100.30 : 1,480,347,150.45 = 831,929,904.70 : x
  2. Step 2: Convert to fraction form
    986,898,100.30/1,480,347,150.45 = 831,929,904.70/x
  3. Step 3: Cross multiply
    986,898,100.30x = 1,480,347,150.45 × 831,929,904.70
  4. Step 4: Simplify right side
    986,898,100.30x = 1,231,545,063,796,785,152
  5. Step 5: Solve for x
    x = 1,231,545,063,796,785,152/986,898,100.30
  6. Step 6: Final answer
    x = 1,247,894,857.05

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Double scale
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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.