Home / 1,640,799,828.02-2,264,303,873.14-898,243,890.78

Finding the Fourth Proportional to 1,640,799,828.02, 2,264,303,873.14 and 898,243,890.78

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Solution

The fourth proportional to 1,640,799,828.02, 2,264,303,873.14 and 898,243,890.78 is: 1,239,576,629.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,640,799,828.02 : 2,264,303,873.14 = 898,243,890.78 : x
  2. Step 2: Convert to fraction form
    1,640,799,828.02/2,264,303,873.14 = 898,243,890.78/x
  3. Step 3: Cross multiply
    1,640,799,828.02x = 2,264,303,873.14 × 898,243,890.78
  4. Step 4: Simplify right side
    1,640,799,828.02x = 2,033,897,120,917,496,832
  5. Step 5: Solve for x
    x = 2,033,897,120,917,496,832/1,640,799,828.02
  6. Step 6: Final answer
    x = 1,239,576,629.75

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.