Home / 1,035,192,981.06-1,428,565,069.80-611,959,181.22

Finding the Fourth Proportional to 1,035,192,981.06, 1,428,565,069.80 and 611,959,181.22

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Solution

The fourth proportional to 1,035,192,981.06, 1,428,565,069.80 and 611,959,181.22 is: 844,502,934.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,035,192,981.06 : 1,428,565,069.80 = 611,959,181.22 : x
  2. Step 2: Convert to fraction form
    1,035,192,981.06/1,428,565,069.80 = 611,959,181.22/x
  3. Step 3: Cross multiply
    1,035,192,981.06x = 1,428,565,069.80 × 611,959,181.22
  4. Step 4: Simplify right side
    1,035,192,981.06x = 874,223,510,434,300,160
  5. Step 5: Solve for x
    x = 874,223,510,434,300,160/1,035,192,981.06
  6. Step 6: Final answer
    x = 844,502,934.65

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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.