Home / 1,111,441,532.97-1,664,939,339.71-668,539,724.56

Finding the Fourth Proportional to 1,111,441,532.97, 1,664,939,339.71 and 668,539,724.56

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Solution

The fourth proportional to 1,111,441,532.97, 1,664,939,339.71 and 668,539,724.56 is: 1,001,472,461.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,111,441,532.97 : 1,664,939,339.71 = 668,539,724.56 : x
  2. Step 2: Convert to fraction form
    1,111,441,532.97/1,664,939,339.71 = 668,539,724.56/x
  3. Step 3: Cross multiply
    1,111,441,532.97x = 1,664,939,339.71 × 668,539,724.56
  4. Step 4: Simplify right side
    1,111,441,532.97x = 1,113,078,087,567,164,160
  5. Step 5: Solve for x
    x = 1,113,078,087,567,164,160/1,111,441,532.97
  6. Step 6: Final answer
    x = 1,001,472,461.26

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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.