Home / 715,418,999.80-1,073,128,499.70-560,450,804.20

Finding the Fourth Proportional to 715,418,999.80, 1,073,128,499.70 and 560,450,804.20

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Solution

The fourth proportional to 715,418,999.80, 1,073,128,499.70 and 560,450,804.20 is: 840,676,206.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,418,999.80 : 1,073,128,499.70 = 560,450,804.20 : x
  2. Step 2: Convert to fraction form
    715,418,999.80/1,073,128,499.70 = 560,450,804.20/x
  3. Step 3: Cross multiply
    715,418,999.80x = 1,073,128,499.70 × 560,450,804.20
  4. Step 4: Simplify right side
    715,418,999.80x = 601,435,730,666,804,480
  5. Step 5: Solve for x
    x = 601,435,730,666,804,480/715,418,999.80
  6. Step 6: Final answer
    x = 840,676,206.30

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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.