Home / 754,476,338.04-1,041,177,396.54-419,941,681.20

Finding the Fourth Proportional to 754,476,338.04, 1,041,177,396.54 and 419,941,681.20

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Solution

The fourth proportional to 754,476,338.04, 1,041,177,396.54 and 419,941,681.20 is: 579,519,547.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,476,338.04 : 1,041,177,396.54 = 419,941,681.20 : x
  2. Step 2: Convert to fraction form
    754,476,338.04/1,041,177,396.54 = 419,941,681.20/x
  3. Step 3: Cross multiply
    754,476,338.04x = 1,041,177,396.54 × 419,941,681.20
  4. Step 4: Simplify right side
    754,476,338.04x = 437,233,786,330,446,656
  5. Step 5: Solve for x
    x = 437,233,786,330,446,656/754,476,338.04
  6. Step 6: Final answer
    x = 579,519,547.91

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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.