Home / 1,434,821,409,851.40-1,980,053,713,479.10-784,500,434,010.15

Finding the Fourth Proportional to 1,434,821,409,851.40, 1,980,053,713,479.10 and 784,500,434,010.15

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Solution

The fourth proportional to 1,434,821,409,851.40, 1,980,053,713,479.10 and 784,500,434,010.15 is: 1,082,610,690,726.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,434,821,409,851.40 : 1,980,053,713,479.10 = 784,500,434,010.15 : x
  2. Step 2: Convert to fraction form
    1,434,821,409,851.40/1,980,053,713,479.10 = 784,500,434,010.15/x
  3. Step 3: Cross multiply
    1,434,821,409,851.40x = 1,980,053,713,479.10 × 784,500,434,010.15
  4. Step 4: Simplify right side
    1,434,821,409,851.40x = 1,553,352,997,587,763,402,375,168
  5. Step 5: Solve for x
    x = 1,553,352,997,587,763,402,375,168/1,434,821,409,851.40
  6. Step 6: Final answer
    x = 1,082,610,690,726.06

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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.