Home / 28,518,438,164.40-42,777,657,246.60-27,309,303,601.20

Finding the Fourth Proportional to 28,518,438,164.40, 42,777,657,246.60 and 27,309,303,601.20

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Solution

The fourth proportional to 28,518,438,164.40, 42,777,657,246.60 and 27,309,303,601.20 is: 40,963,955,401.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,518,438,164.40 : 42,777,657,246.60 = 27,309,303,601.20 : x
  2. Step 2: Convert to fraction form
    28,518,438,164.40/42,777,657,246.60 = 27,309,303,601.20/x
  3. Step 3: Cross multiply
    28,518,438,164.40x = 42,777,657,246.60 × 27,309,303,601.20
  4. Step 4: Simplify right side
    28,518,438,164.40x = 1,168,228,029,095,472,660,480
  5. Step 5: Solve for x
    x = 1,168,228,029,095,472,660,480/28,518,438,164.40
  6. Step 6: Final answer
    x = 40,963,955,401.80

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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.