Home / 1,309,179,681.28-1,806,706,262.28-714,502,307.44

Finding the Fourth Proportional to 1,309,179,681.28, 1,806,706,262.28 and 714,502,307.44

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Solution

The fourth proportional to 1,309,179,681.28, 1,806,706,262.28 and 714,502,307.44 is: 986,034,088.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,309,179,681.28 : 1,806,706,262.28 = 714,502,307.44 : x
  2. Step 2: Convert to fraction form
    1,309,179,681.28/1,806,706,262.28 = 714,502,307.44/x
  3. Step 3: Cross multiply
    1,309,179,681.28x = 1,806,706,262.28 × 714,502,307.44
  4. Step 4: Simplify right side
    1,309,179,681.28x = 1,290,895,793,265,357,824
  5. Step 5: Solve for x
    x = 1,290,895,793,265,357,824/1,309,179,681.28
  6. Step 6: Final answer
    x = 986,034,088.16

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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.