Home / 343,009,108.80-514,513,663.20-197,890,286.40

Finding the Fourth Proportional to 343,009,108.80, 514,513,663.20 and 197,890,286.40

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Solution

The fourth proportional to 343,009,108.80, 514,513,663.20 and 197,890,286.40 is: 296,835,429.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,009,108.80 : 514,513,663.20 = 197,890,286.40 : x
  2. Step 2: Convert to fraction form
    343,009,108.80/514,513,663.20 = 197,890,286.40/x
  3. Step 3: Cross multiply
    343,009,108.80x = 514,513,663.20 × 197,890,286.40
  4. Step 4: Simplify right side
    343,009,108.80x = 101,817,256,167,361,136
  5. Step 5: Solve for x
    x = 101,817,256,167,361,136/343,009,108.80
  6. Step 6: Final answer
    x = 296,835,429.60

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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.