Home / 1,401,418,720.51-1,933,046,577.31-898,831,437.71

Finding the Fourth Proportional to 1,401,418,720.51, 1,933,046,577.31 and 898,831,437.71

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Solution

The fourth proportional to 1,401,418,720.51, 1,933,046,577.31 and 898,831,437.71 is: 1,239,802,928.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,401,418,720.51 : 1,933,046,577.31 = 898,831,437.71 : x
  2. Step 2: Convert to fraction form
    1,401,418,720.51/1,933,046,577.31 = 898,831,437.71/x
  3. Step 3: Cross multiply
    1,401,418,720.51x = 1,933,046,577.31 × 898,831,437.71
  4. Step 4: Simplify right side
    1,401,418,720.51x = 1,737,483,034,243,941,888
  5. Step 5: Solve for x
    x = 1,737,483,034,243,941,888/1,401,418,720.51
  6. Step 6: Final answer
    x = 1,239,802,928.86

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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.