Home / 1,309,066,440.31-1,806,549,837.87-714,389,228.56

Finding the Fourth Proportional to 1,309,066,440.31, 1,806,549,837.87 and 714,389,228.56

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Solution

The fourth proportional to 1,309,066,440.31, 1,806,549,837.87 and 714,389,228.56 is: 985,877,954.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,309,066,440.31 : 1,806,549,837.87 = 714,389,228.56 : x
  2. Step 2: Convert to fraction form
    1,309,066,440.31/1,806,549,837.87 = 714,389,228.56/x
  3. Step 3: Cross multiply
    1,309,066,440.31x = 1,806,549,837.87 × 714,389,228.56
  4. Step 4: Simplify right side
    1,309,066,440.31x = 1,290,579,745,036,043,776
  5. Step 5: Solve for x
    x = 1,290,579,745,036,043,776/1,309,066,440.31
  6. Step 6: Final answer
    x = 985,877,954.93

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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.