Home / 298,210,006.10-447,315,009.15-82,799,254.10

Finding the Fourth Proportional to 298,210,006.10, 447,315,009.15 and 82,799,254.10

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Solution

The fourth proportional to 298,210,006.10, 447,315,009.15 and 82,799,254.10 is: 124,198,881.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,210,006.10 : 447,315,009.15 = 82,799,254.10 : x
  2. Step 2: Convert to fraction form
    298,210,006.10/447,315,009.15 = 82,799,254.10/x
  3. Step 3: Cross multiply
    298,210,006.10x = 447,315,009.15 × 82,799,254.10
  4. Step 4: Simplify right side
    298,210,006.10x = 37,037,349,105,354,672
  5. Step 5: Solve for x
    x = 37,037,349,105,354,672/298,210,006.10
  6. Step 6: Final answer
    x = 124,198,881.15

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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.