Home / 1,434,821,409,851.60-1,980,053,713,479.50-784,500,434,010.40

Finding the Fourth Proportional to 1,434,821,409,851.60, 1,980,053,713,479.50 and 784,500,434,010.40

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Solution

The fourth proportional to 1,434,821,409,851.60, 1,980,053,713,479.50 and 784,500,434,010.40 is: 1,082,610,690,726.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,434,821,409,851.60 : 1,980,053,713,479.50 = 784,500,434,010.40 : x
  2. Step 2: Convert to fraction form
    1,434,821,409,851.60/1,980,053,713,479.50 = 784,500,434,010.40/x
  3. Step 3: Cross multiply
    1,434,821,409,851.60x = 1,980,053,713,479.50 × 784,500,434,010.40
  4. Step 4: Simplify right side
    1,434,821,409,851.60x = 1,553,352,997,588,571,929,968,640
  5. Step 5: Solve for x
    x = 1,553,352,997,588,571,929,968,640/1,434,821,409,851.60
  6. Step 6: Final answer
    x = 1,082,610,690,726.47

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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.