Home / 6,929,090,640.90-10,393,635,961.35-6,520,943,952.90

Finding the Fourth Proportional to 6,929,090,640.90, 10,393,635,961.35 and 6,520,943,952.90

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Solution

The fourth proportional to 6,929,090,640.90, 10,393,635,961.35 and 6,520,943,952.90 is: 9,781,415,929.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,929,090,640.90 : 10,393,635,961.35 = 6,520,943,952.90 : x
  2. Step 2: Convert to fraction form
    6,929,090,640.90/10,393,635,961.35 = 6,520,943,952.90/x
  3. Step 3: Cross multiply
    6,929,090,640.90x = 10,393,635,961.35 × 6,520,943,952.90
  4. Step 4: Simplify right side
    6,929,090,640.90x = 67,776,317,570,809,257,984
  5. Step 5: Solve for x
    x = 67,776,317,570,809,257,984/6,929,090,640.90
  6. Step 6: Final answer
    x = 9,781,415,929.35

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Double scale
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1.5x scale

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.