Home / 944,786,111.40-1,417,179,167.10-858,621,810.60

Finding the Fourth Proportional to 944,786,111.40, 1,417,179,167.10 and 858,621,810.60

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Solution

The fourth proportional to 944,786,111.40, 1,417,179,167.10 and 858,621,810.60 is: 1,287,932,715.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    944,786,111.40 : 1,417,179,167.10 = 858,621,810.60 : x
  2. Step 2: Convert to fraction form
    944,786,111.40/1,417,179,167.10 = 858,621,810.60/x
  3. Step 3: Cross multiply
    944,786,111.40x = 1,417,179,167.10 × 858,621,810.60
  4. Step 4: Simplify right side
    944,786,111.40x = 1,216,820,942,400,001,792
  5. Step 5: Solve for x
    x = 1,216,820,942,400,001,792/944,786,111.40
  6. Step 6: Final answer
    x = 1,287,932,715.90

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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.