Home / 370,754,285.40-556,131,428.10-207,495,610.20

Finding the Fourth Proportional to 370,754,285.40, 556,131,428.10 and 207,495,610.20

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Solution

The fourth proportional to 370,754,285.40, 556,131,428.10 and 207,495,610.20 is: 311,243,415.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,754,285.40 : 556,131,428.10 = 207,495,610.20 : x
  2. Step 2: Convert to fraction form
    370,754,285.40/556,131,428.10 = 207,495,610.20/x
  3. Step 3: Cross multiply
    370,754,285.40x = 556,131,428.10 × 207,495,610.20
  4. Step 4: Simplify right side
    370,754,285.40x = 115,394,830,025,006,928
  5. Step 5: Solve for x
    x = 115,394,830,025,006,928/370,754,285.40
  6. Step 6: Final answer
    x = 311,243,415.30

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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.