Home / 684,052,799.36-943,967,573.12-370,780,287.20

Finding the Fourth Proportional to 684,052,799.36, 943,967,573.12 and 370,780,287.20

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Solution

The fourth proportional to 684,052,799.36, 943,967,573.12 and 370,780,287.20 is: 511,663,088.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,052,799.36 : 943,967,573.12 = 370,780,287.20 : x
  2. Step 2: Convert to fraction form
    684,052,799.36/943,967,573.12 = 370,780,287.20/x
  3. Step 3: Cross multiply
    684,052,799.36x = 943,967,573.12 × 370,780,287.20
  4. Step 4: Simplify right side
    684,052,799.36x = 350,004,567,868,920,576
  5. Step 5: Solve for x
    x = 350,004,567,868,920,576/684,052,799.36
  6. Step 6: Final answer
    x = 511,663,088.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.