Home / 492,152,001.40-738,228,002.10-128,646,357.40

Finding the Fourth Proportional to 492,152,001.40, 738,228,002.10 and 128,646,357.40

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Solution

The fourth proportional to 492,152,001.40, 738,228,002.10 and 128,646,357.40 is: 192,969,536.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,152,001.40 : 738,228,002.10 = 128,646,357.40 : x
  2. Step 2: Convert to fraction form
    492,152,001.40/738,228,002.10 = 128,646,357.40/x
  3. Step 3: Cross multiply
    492,152,001.40x = 738,228,002.10 × 128,646,357.40
  4. Step 4: Simplify right side
    492,152,001.40x = 94,970,343,400,844,560
  5. Step 5: Solve for x
    x = 94,970,343,400,844,560/492,152,001.40
  6. Step 6: Final answer
    x = 192,969,536.10

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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.