Home / 1,398,202,792.47-2,097,580,474.98-512,896,371.37

Finding the Fourth Proportional to 1,398,202,792.47, 2,097,580,474.98 and 512,896,371.37

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Solution

The fourth proportional to 1,398,202,792.47, 2,097,580,474.98 and 512,896,371.37 is: 769,445,905.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,398,202,792.47 : 2,097,580,474.98 = 512,896,371.37 : x
  2. Step 2: Convert to fraction form
    1,398,202,792.47/2,097,580,474.98 = 512,896,371.37/x
  3. Step 3: Cross multiply
    1,398,202,792.47x = 2,097,580,474.98 × 512,896,371.37
  4. Step 4: Simplify right side
    1,398,202,792.47x = 1,075,841,414,268,559,104
  5. Step 5: Solve for x
    x = 1,075,841,414,268,559,104/1,398,202,792.47
  6. Step 6: Final answer
    x = 769,445,905.89

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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.