Home / 807,178,216.58-1,113,905,932.32-435,900,215.15

Finding the Fourth Proportional to 807,178,216.58, 1,113,905,932.32 and 435,900,215.15

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Solution

The fourth proportional to 807,178,216.58, 1,113,905,932.32 and 435,900,215.15 is: 601,542,293.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,178,216.58 : 1,113,905,932.32 = 435,900,215.15 : x
  2. Step 2: Convert to fraction form
    807,178,216.58/1,113,905,932.32 = 435,900,215.15/x
  3. Step 3: Cross multiply
    807,178,216.58x = 1,113,905,932.32 × 435,900,215.15
  4. Step 4: Simplify right side
    807,178,216.58x = 485,551,835,547,400,320
  5. Step 5: Solve for x
    x = 485,551,835,547,400,320/807,178,216.58
  6. Step 6: Final answer
    x = 601,542,293.36

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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.