Home / 561,445,597.02-774,742,927.83-310,544,589.66

Finding the Fourth Proportional to 561,445,597.02, 774,742,927.83 and 310,544,589.66

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Solution

The fourth proportional to 561,445,597.02, 774,742,927.83 and 310,544,589.66 is: 428,522,773.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,445,597.02 : 774,742,927.83 = 310,544,589.66 : x
  2. Step 2: Convert to fraction form
    561,445,597.02/774,742,927.83 = 310,544,589.66/x
  3. Step 3: Cross multiply
    561,445,597.02x = 774,742,927.83 × 310,544,589.66
  4. Step 4: Simplify right side
    561,445,597.02x = 240,592,224,614,954,368
  5. Step 5: Solve for x
    x = 240,592,224,614,954,368/561,445,597.02
  6. Step 6: Final answer
    x = 428,522,773.88

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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.