Home / 891,960,906.30-1,337,941,359.45-708,294,896.70

Finding the Fourth Proportional to 891,960,906.30, 1,337,941,359.45 and 708,294,896.70

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Solution

The fourth proportional to 891,960,906.30, 1,337,941,359.45 and 708,294,896.70 is: 1,062,442,345.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,960,906.30 : 1,337,941,359.45 = 708,294,896.70 : x
  2. Step 2: Convert to fraction form
    891,960,906.30/1,337,941,359.45 = 708,294,896.70/x
  3. Step 3: Cross multiply
    891,960,906.30x = 1,337,941,359.45 × 708,294,896.70
  4. Step 4: Simplify right side
    891,960,906.30x = 947,657,036,982,295,424
  5. Step 5: Solve for x
    x = 947,657,036,982,295,424/891,960,906.30
  6. Step 6: Final answer
    x = 1,062,442,345.05

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1.5x scale

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.