Home / 1,640,799,842.21-2,264,303,892.91-898,243,904.96

Finding the Fourth Proportional to 1,640,799,842.21, 2,264,303,892.91 and 898,243,904.96

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Solution

The fourth proportional to 1,640,799,842.21, 2,264,303,892.91 and 898,243,904.96 is: 1,239,576,649.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,640,799,842.21 : 2,264,303,892.91 = 898,243,904.96 : x
  2. Step 2: Convert to fraction form
    1,640,799,842.21/2,264,303,892.91 = 898,243,904.96/x
  3. Step 3: Cross multiply
    1,640,799,842.21x = 2,264,303,892.91 × 898,243,904.96
  4. Step 4: Simplify right side
    1,640,799,842.21x = 2,033,897,170,791,006,208
  5. Step 5: Solve for x
    x = 2,033,897,170,791,006,208/1,640,799,842.21
  6. Step 6: Final answer
    x = 1,239,576,649.43

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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.