Home / 1,277,002,026.68-1,762,314,054.18-712,536,212.60

Finding the Fourth Proportional to 1,277,002,026.68, 1,762,314,054.18 and 712,536,212.60

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Solution

The fourth proportional to 1,277,002,026.68, 1,762,314,054.18 and 712,536,212.60 is: 983,328,573.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,277,002,026.68 : 1,762,314,054.18 = 712,536,212.60 : x
  2. Step 2: Convert to fraction form
    1,277,002,026.68/1,762,314,054.18 = 712,536,212.60/x
  3. Step 3: Cross multiply
    1,277,002,026.68x = 1,762,314,054.18 × 712,536,212.60
  4. Step 4: Simplify right side
    1,277,002,026.68x = 1,255,712,581,577,168,384
  5. Step 5: Solve for x
    x = 1,255,712,581,577,168,384/1,277,002,026.68
  6. Step 6: Final answer
    x = 983,328,573.75

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Double scale
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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.