Home / 578,923,394.40-868,301,110.80-169,936,898.40

Finding the Fourth Proportional to 578,923,394.40, 868,301,110.80 and 169,936,898.40

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Solution

The fourth proportional to 578,923,394.40, 868,301,110.80 and 169,936,898.40 is: 254,880,695.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,923,394.40 : 868,301,110.80 = 169,936,898.40 : x
  2. Step 2: Convert to fraction form
    578,923,394.40/868,301,110.80 = 169,936,898.40/x
  3. Step 3: Cross multiply
    578,923,394.40x = 868,301,110.80 × 169,936,898.40
  4. Step 4: Simplify right side
    578,923,394.40x = 147,556,397,646,626,752
  5. Step 5: Solve for x
    x = 147,556,397,646,626,752/578,923,394.40
  6. Step 6: Final answer
    x = 254,880,695.92

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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.