Home / 1,426,799,285.84-1,968,825,582.60-800,138,755.28

Finding the Fourth Proportional to 1,426,799,285.84, 1,968,825,582.60 and 800,138,755.28

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Solution

The fourth proportional to 1,426,799,285.84, 1,968,825,582.60 and 800,138,755.28 is: 1,104,103,195.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,426,799,285.84 : 1,968,825,582.60 = 800,138,755.28 : x
  2. Step 2: Convert to fraction form
    1,426,799,285.84/1,968,825,582.60 = 800,138,755.28/x
  3. Step 3: Cross multiply
    1,426,799,285.84x = 1,968,825,582.60 × 800,138,755.28
  4. Step 4: Simplify right side
    1,426,799,285.84x = 1,575,333,651,024,984,576
  5. Step 5: Solve for x
    x = 1,575,333,651,024,984,576/1,426,799,285.84
  6. Step 6: Final answer
    x = 1,104,103,195.63

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1.5x scale

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.