Home / 944,786,105.40-1,417,179,158.10-858,621,804.60

Finding the Fourth Proportional to 944,786,105.40, 1,417,179,158.10 and 858,621,804.60

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Solution

The fourth proportional to 944,786,105.40, 1,417,179,158.10 and 858,621,804.60 is: 1,287,932,706.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    944,786,105.40 : 1,417,179,158.10 = 858,621,804.60 : x
  2. Step 2: Convert to fraction form
    944,786,105.40/1,417,179,158.10 = 858,621,804.60/x
  3. Step 3: Cross multiply
    944,786,105.40x = 1,417,179,158.10 × 858,621,804.60
  4. Step 4: Simplify right side
    944,786,105.40x = 1,216,820,926,169,330,688
  5. Step 5: Solve for x
    x = 1,216,820,926,169,330,688/944,786,105.40
  6. Step 6: Final answer
    x = 1,287,932,706.90

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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.