Home / 560,126,904.90-840,159,985.59-171,949,801.38

Finding the Fourth Proportional to 560,126,904.90, 840,159,985.59 and 171,949,801.38

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Solution

The fourth proportional to 560,126,904.90, 840,159,985.59 and 171,949,801.38 is: 257,915,378.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,126,904.90 : 840,159,985.59 = 171,949,801.38 : x
  2. Step 2: Convert to fraction form
    560,126,904.90/840,159,985.59 = 171,949,801.38/x
  3. Step 3: Cross multiply
    560,126,904.90x = 840,159,985.59 × 171,949,801.38
  4. Step 4: Simplify right side
    560,126,904.90x = 144,465,342,649,624,160
  5. Step 5: Solve for x
    x = 144,465,342,649,624,160/560,126,904.90
  6. Step 6: Final answer
    x = 257,915,378.44

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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.