Home / 984,261,157.04-1,357,640,391.81-631,278,044.84

Finding the Fourth Proportional to 984,261,157.04, 1,357,640,391.81 and 631,278,044.84

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Solution

The fourth proportional to 984,261,157.04, 1,357,640,391.81 and 631,278,044.84 is: 870,753,220.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    984,261,157.04 : 1,357,640,391.81 = 631,278,044.84 : x
  2. Step 2: Convert to fraction form
    984,261,157.04/1,357,640,391.81 = 631,278,044.84/x
  3. Step 3: Cross multiply
    984,261,157.04x = 1,357,640,391.81 × 631,278,044.84
  4. Step 4: Simplify right side
    984,261,157.04x = 857,048,572,130,840,192
  5. Step 5: Solve for x
    x = 857,048,572,130,840,192/984,261,157.04
  6. Step 6: Final answer
    x = 870,753,220.33

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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.