Home / 992,242,351.71-1,369,281,079.40-552,209,087.07

Finding the Fourth Proportional to 992,242,351.71, 1,369,281,079.40 and 552,209,087.07

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Solution

The fourth proportional to 992,242,351.71, 1,369,281,079.40 and 552,209,087.07 is: 762,041,101.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,242,351.71 : 1,369,281,079.40 = 552,209,087.07 : x
  2. Step 2: Convert to fraction form
    992,242,351.71/1,369,281,079.40 = 552,209,087.07/x
  3. Step 3: Cross multiply
    992,242,351.71x = 1,369,281,079.40 × 552,209,087.07
  4. Step 4: Simplify right side
    992,242,351.71x = 756,129,454,794,937,216
  5. Step 5: Solve for x
    x = 756,129,454,794,937,216/992,242,351.71
  6. Step 6: Final answer
    x = 762,041,101.64

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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.