Home / 1,186,069,175.87-1,779,907,527-486,687,751.29

Finding the Fourth Proportional to 1,186,069,175.87, 1,779,907,527 and 486,687,751.29

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Solution

The fourth proportional to 1,186,069,175.87, 1,779,907,527 and 486,687,751.29 is: 730,361,440.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,186,069,175.87 : 1,779,907,527 = 486,687,751.29 : x
  2. Step 2: Convert to fraction form
    1,186,069,175.87/1,779,907,527 = 486,687,751.29/x
  3. Step 3: Cross multiply
    1,186,069,175.87x = 1,779,907,527 × 486,687,751.29
  4. Step 4: Simplify right side
    1,186,069,175.87x = 866,259,191,819,774,976
  5. Step 5: Solve for x
    x = 866,259,191,819,774,976/1,186,069,175.87
  6. Step 6: Final answer
    x = 730,361,440.50

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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.