Home / 656,324,465.40-983,870,838.90-247,655,230.20

Finding the Fourth Proportional to 656,324,465.40, 983,870,838.90 and 247,655,230.20

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Solution

The fourth proportional to 656,324,465.40, 983,870,838.90 and 247,655,230.20 is: 371,250,459.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,324,465.40 : 983,870,838.90 = 247,655,230.20 : x
  2. Step 2: Convert to fraction form
    656,324,465.40/983,870,838.90 = 247,655,230.20/x
  3. Step 3: Cross multiply
    656,324,465.40x = 983,870,838.90 × 247,655,230.20
  4. Step 4: Simplify right side
    656,324,465.40x = 243,660,759,094,846,592
  5. Step 5: Solve for x
    x = 243,660,759,094,846,592/656,324,465.40
  6. Step 6: Final answer
    x = 371,250,459.09

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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.