Home / 418,970,142.03-578,196,732.56-233,331,157.47

Finding the Fourth Proportional to 418,970,142.03, 578,196,732.56 and 233,331,157.47

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Solution

The fourth proportional to 418,970,142.03, 578,196,732.56 and 233,331,157.47 is: 322,006,986.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,970,142.03 : 578,196,732.56 = 233,331,157.47 : x
  2. Step 2: Convert to fraction form
    418,970,142.03/578,196,732.56 = 233,331,157.47/x
  3. Step 3: Cross multiply
    418,970,142.03x = 578,196,732.56 × 233,331,157.47
  4. Step 4: Simplify right side
    418,970,142.03x = 134,911,312,852,430,160
  5. Step 5: Solve for x
    x = 134,911,312,852,430,160/418,970,142.03
  6. Step 6: Final answer
    x = 322,006,986.46

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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.