Home / 1,228,508,504.30-1,839,837,657.98-784,475,800.68

Finding the Fourth Proportional to 1,228,508,504.30, 1,839,837,657.98 and 784,475,800.68

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Solution

The fourth proportional to 1,228,508,504.30, 1,839,837,657.98 and 784,475,800.68 is: 1,174,845,851.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,228,508,504.30 : 1,839,837,657.98 = 784,475,800.68 : x
  2. Step 2: Convert to fraction form
    1,228,508,504.30/1,839,837,657.98 = 784,475,800.68/x
  3. Step 3: Cross multiply
    1,228,508,504.30x = 1,839,837,657.98 × 784,475,800.68
  4. Step 4: Simplify right side
    1,228,508,504.30x = 1,443,308,119,865,076,480
  5. Step 5: Solve for x
    x = 1,443,308,119,865,076,480/1,228,508,504.30
  6. Step 6: Final answer
    x = 1,174,845,851.55

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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.