Home / 570,329,355.44-787,034,146.56-322,805,395.28

Finding the Fourth Proportional to 570,329,355.44, 787,034,146.56 and 322,805,395.28

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Solution

The fourth proportional to 570,329,355.44, 787,034,146.56 and 322,805,395.28 is: 445,459,919.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,329,355.44 : 787,034,146.56 = 322,805,395.28 : x
  2. Step 2: Convert to fraction form
    570,329,355.44/787,034,146.56 = 322,805,395.28/x
  3. Step 3: Cross multiply
    570,329,355.44x = 787,034,146.56 × 322,805,395.28
  4. Step 4: Simplify right side
    570,329,355.44x = 254,058,868,779,158,208
  5. Step 5: Solve for x
    x = 254,058,868,779,158,208/570,329,355.44
  6. Step 6: Final answer
    x = 445,459,919.53

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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.