Home / 12,572,352,028.70-18,858,528,043.05-5,208,915,484.70

Finding the Fourth Proportional to 12,572,352,028.70, 18,858,528,043.05 and 5,208,915,484.70

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Solution

The fourth proportional to 12,572,352,028.70, 18,858,528,043.05 and 5,208,915,484.70 is: 7,813,373,227.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,572,352,028.70 : 18,858,528,043.05 = 5,208,915,484.70 : x
  2. Step 2: Convert to fraction form
    12,572,352,028.70/18,858,528,043.05 = 5,208,915,484.70/x
  3. Step 3: Cross multiply
    12,572,352,028.70x = 18,858,528,043.05 × 5,208,915,484.70
  4. Step 4: Simplify right side
    12,572,352,028.70x = 98,232,478,742,092,333,056
  5. Step 5: Solve for x
    x = 98,232,478,742,092,333,056/12,572,352,028.70
  6. Step 6: Final answer
    x = 7,813,373,227.05

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Double scale
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Similar ratio
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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.