Home / 1,111,441,532.47-1,664,939,338.95-668,539,724.06

Finding the Fourth Proportional to 1,111,441,532.47, 1,664,939,338.95 and 668,539,724.06

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Solution

The fourth proportional to 1,111,441,532.47, 1,664,939,338.95 and 668,539,724.06 is: 1,001,472,460.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,111,441,532.47 : 1,664,939,338.95 = 668,539,724.06 : x
  2. Step 2: Convert to fraction form
    1,111,441,532.47/1,664,939,338.95 = 668,539,724.06/x
  3. Step 3: Cross multiply
    1,111,441,532.47x = 1,664,939,338.95 × 668,539,724.06
  4. Step 4: Simplify right side
    1,111,441,532.47x = 1,113,078,086,235,500,800
  5. Step 5: Solve for x
    x = 1,113,078,086,235,500,800/1,111,441,532.47
  6. Step 6: Final answer
    x = 1,001,472,460.51

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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.