Home / 1,573,249,612.69-2,171,084,678.03-868,401,727.14

Finding the Fourth Proportional to 1,573,249,612.69, 2,171,084,678.03 and 868,401,727.14

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Solution

The fourth proportional to 1,573,249,612.69, 2,171,084,678.03 and 868,401,727.14 is: 1,198,394,500.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,573,249,612.69 : 2,171,084,678.03 = 868,401,727.14 : x
  2. Step 2: Convert to fraction form
    1,573,249,612.69/2,171,084,678.03 = 868,401,727.14/x
  3. Step 3: Cross multiply
    1,573,249,612.69x = 2,171,084,678.03 × 868,401,727.14
  4. Step 4: Simplify right side
    1,573,249,612.69x = 1,885,373,684,173,805,568
  5. Step 5: Solve for x
    x = 1,885,373,684,173,805,568/1,573,249,612.69
  6. Step 6: Final answer
    x = 1,198,394,500.76

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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.