Home / 541,302,541.58-747,334,886.07-372,048,215.45

Finding the Fourth Proportional to 541,302,541.58, 747,334,886.07 and 372,048,215.45

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Solution

The fourth proportional to 541,302,541.58, 747,334,886.07 and 372,048,215.45 is: 513,658,424.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,302,541.58 : 747,334,886.07 = 372,048,215.45 : x
  2. Step 2: Convert to fraction form
    541,302,541.58/747,334,886.07 = 372,048,215.45/x
  3. Step 3: Cross multiply
    541,302,541.58x = 747,334,886.07 × 372,048,215.45
  4. Step 4: Simplify right side
    541,302,541.58x = 278,044,610,701,440,160
  5. Step 5: Solve for x
    x = 278,044,610,701,440,160/541,302,541.58
  6. Step 6: Final answer
    x = 513,658,424.53

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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.