Home / 325,109,599.86-448,652,422.40-176,430,688.65

Finding the Fourth Proportional to 325,109,599.86, 448,652,422.40 and 176,430,688.65

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Solution

The fourth proportional to 325,109,599.86, 448,652,422.40 and 176,430,688.65 is: 243,474,987.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,109,599.86 : 448,652,422.40 = 176,430,688.65 : x
  2. Step 2: Convert to fraction form
    325,109,599.86/448,652,422.40 = 176,430,688.65/x
  3. Step 3: Cross multiply
    325,109,599.86x = 448,652,422.40 × 176,430,688.65
  4. Step 4: Simplify right side
    325,109,599.86x = 79,156,055,847,640,528
  5. Step 5: Solve for x
    x = 79,156,055,847,640,528/325,109,599.86
  6. Step 6: Final answer
    x = 243,474,987.76

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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.