Home / 845,280,666.74-1,267,930,760.13-255,076,017.28

Finding the Fourth Proportional to 845,280,666.74, 1,267,930,760.13 and 255,076,017.28

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Solution

The fourth proportional to 845,280,666.74, 1,267,930,760.13 and 255,076,017.28 is: 382,616,971.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,280,666.74 : 1,267,930,760.13 = 255,076,017.28 : x
  2. Step 2: Convert to fraction form
    845,280,666.74/1,267,930,760.13 = 255,076,017.28/x
  3. Step 3: Cross multiply
    845,280,666.74x = 1,267,930,760.13 × 255,076,017.28
  4. Step 4: Simplify right side
    845,280,666.74x = 323,418,728,477,593,600
  5. Step 5: Solve for x
    x = 323,418,728,477,593,600/845,280,666.74
  6. Step 6: Final answer
    x = 382,616,971.15

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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.