Home / 870,427,261.07-1,306,176,180.36-345,704,561.04

Finding the Fourth Proportional to 870,427,261.07, 1,306,176,180.36 and 345,704,561.04

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Solution

The fourth proportional to 870,427,261.07, 1,306,176,180.36 and 345,704,561.04 is: 518,769,440.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,427,261.07 : 1,306,176,180.36 = 345,704,561.04 : x
  2. Step 2: Convert to fraction form
    870,427,261.07/1,306,176,180.36 = 345,704,561.04/x
  3. Step 3: Cross multiply
    870,427,261.07x = 1,306,176,180.36 × 345,704,561.04
  4. Step 4: Simplify right side
    870,427,261.07x = 451,551,063,075,876,736
  5. Step 5: Solve for x
    x = 451,551,063,075,876,736/870,427,261.07
  6. Step 6: Final answer
    x = 518,769,440.33

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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.