Home / 27,875,852,670.08-38,468,190,215.04-15,188,693,355.20

Finding the Fourth Proportional to 27,875,852,670.08, 38,468,190,215.04 and 15,188,693,355.20

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Solution

The fourth proportional to 27,875,852,670.08, 38,468,190,215.04 and 15,188,693,355.20 is: 20,960,131,767.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,875,852,670.08 : 38,468,190,215.04 = 15,188,693,355.20 : x
  2. Step 2: Convert to fraction form
    27,875,852,670.08/38,468,190,215.04 = 15,188,693,355.20/x
  3. Step 3: Cross multiply
    27,875,852,670.08x = 38,468,190,215.04 × 15,188,693,355.20
  4. Step 4: Simplify right side
    27,875,852,670.08x = 584,281,545,105,747,738,624
  5. Step 5: Solve for x
    x = 584,281,545,105,747,738,624/27,875,852,670.08
  6. Step 6: Final answer
    x = 20,960,131,767.84

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Double scale
Find fourth proportional to 27,875,852,671.08, 38,468,190,216.42 and 15,188,693,356.20
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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.