Home / 328,842,992.76-453,803,685.24-178,136,002.62

Finding the Fourth Proportional to 328,842,992.76, 453,803,685.24 and 178,136,002.62

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Solution

The fourth proportional to 328,842,992.76, 453,803,685.24 and 178,136,002.62 is: 245,827,876.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,842,992.76 : 453,803,685.24 = 178,136,002.62 : x
  2. Step 2: Convert to fraction form
    328,842,992.76/453,803,685.24 = 178,136,002.62/x
  3. Step 3: Cross multiply
    328,842,992.76x = 453,803,685.24 × 178,136,002.62
  4. Step 4: Simplify right side
    328,842,992.76x = 80,838,774,462,878,304
  5. Step 5: Solve for x
    x = 80,838,774,462,878,304/328,842,992.76
  6. Step 6: Final answer
    x = 245,827,876.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.