Home / 45,351,393,477.20-68,027,090,215.80-17,778,817,221.20

Finding the Fourth Proportional to 45,351,393,477.20, 68,027,090,215.80 and 17,778,817,221.20

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Solution

The fourth proportional to 45,351,393,477.20, 68,027,090,215.80 and 17,778,817,221.20 is: 26,668,225,831.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,351,393,477.20 : 68,027,090,215.80 = 17,778,817,221.20 : x
  2. Step 2: Convert to fraction form
    45,351,393,477.20/68,027,090,215.80 = 17,778,817,221.20/x
  3. Step 3: Cross multiply
    45,351,393,477.20x = 68,027,090,215.80 × 17,778,817,221.20
  4. Step 4: Simplify right side
    45,351,393,477.20x = 1,209,441,203,036,791,242,752
  5. Step 5: Solve for x
    x = 1,209,441,203,036,791,242,752/45,351,393,477.20
  6. Step 6: Final answer
    x = 26,668,225,831.80

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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.