Home / 338,605,638.93-507,883,795.72-151,917,390.95

Finding the Fourth Proportional to 338,605,638.93, 507,883,795.72 and 151,917,390.95

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Solution

The fourth proportional to 338,605,638.93, 507,883,795.72 and 151,917,390.95 is: 227,865,021.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,605,638.93 : 507,883,795.72 = 151,917,390.95 : x
  2. Step 2: Convert to fraction form
    338,605,638.93/507,883,795.72 = 151,917,390.95/x
  3. Step 3: Cross multiply
    338,605,638.93x = 507,883,795.72 × 151,917,390.95
  4. Step 4: Simplify right side
    338,605,638.93x = 77,156,381,148,645,952
  5. Step 5: Solve for x
    x = 77,156,381,148,645,952/338,605,638.93
  6. Step 6: Final answer
    x = 227,865,021.36

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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.