Home / 319,713,341.53-478,707,752.17-208,774,196.41

Finding the Fourth Proportional to 319,713,341.53, 478,707,752.17 and 208,774,196.41

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Solution

The fourth proportional to 319,713,341.53, 478,707,752.17 and 208,774,196.41 is: 312,598,235.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,713,341.53 : 478,707,752.17 = 208,774,196.41 : x
  2. Step 2: Convert to fraction form
    319,713,341.53/478,707,752.17 = 208,774,196.41/x
  3. Step 3: Cross multiply
    319,713,341.53x = 478,707,752.17 × 208,774,196.41
  4. Step 4: Simplify right side
    319,713,341.53x = 99,941,826,274,529,184
  5. Step 5: Solve for x
    x = 99,941,826,274,529,184/319,713,341.53
  6. Step 6: Final answer
    x = 312,598,235.02

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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.