Home / 1,425,277,392.90-2,137,916,089.35-727,920,512.70

Finding the Fourth Proportional to 1,425,277,392.90, 2,137,916,089.35 and 727,920,512.70

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Solution

The fourth proportional to 1,425,277,392.90, 2,137,916,089.35 and 727,920,512.70 is: 1,091,880,769.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,425,277,392.90 : 2,137,916,089.35 = 727,920,512.70 : x
  2. Step 2: Convert to fraction form
    1,425,277,392.90/2,137,916,089.35 = 727,920,512.70/x
  3. Step 3: Cross multiply
    1,425,277,392.90x = 2,137,916,089.35 × 727,920,512.70
  4. Step 4: Simplify right side
    1,425,277,392.90x = 1,556,232,975,869,231,104
  5. Step 5: Solve for x
    x = 1,556,232,975,869,231,104/1,425,277,392.90
  6. Step 6: Final answer
    x = 1,091,880,769.05

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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.