Home / 1,917,249,751.70-2,875,874,627.55-987,440,578.10

Finding the Fourth Proportional to 1,917,249,751.70, 2,875,874,627.55 and 987,440,578.10

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Solution

The fourth proportional to 1,917,249,751.70, 2,875,874,627.55 and 987,440,578.10 is: 1,481,160,867.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,917,249,751.70 : 2,875,874,627.55 = 987,440,578.10 : x
  2. Step 2: Convert to fraction form
    1,917,249,751.70/2,875,874,627.55 = 987,440,578.10/x
  3. Step 3: Cross multiply
    1,917,249,751.70x = 2,875,874,627.55 × 987,440,578.10
  4. Step 4: Simplify right side
    1,917,249,751.70x = 2,839,755,304,771,094,528
  5. Step 5: Solve for x
    x = 2,839,755,304,771,094,528/1,917,249,751.70
  6. Step 6: Final answer
    x = 1,481,160,867.15

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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.