Home / 28,232,721,341.60-38,961,854,118.06-15,373,066,289.10

Finding the Fourth Proportional to 28,232,721,341.60, 38,961,854,118.06 and 15,373,066,289.10

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Solution

The fourth proportional to 28,232,721,341.60, 38,961,854,118.06 and 15,373,066,289.10 is: 21,215,211,911.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,232,721,341.60 : 38,961,854,118.06 = 15,373,066,289.10 : x
  2. Step 2: Convert to fraction form
    28,232,721,341.60/38,961,854,118.06 = 15,373,066,289.10/x
  3. Step 3: Cross multiply
    28,232,721,341.60x = 38,961,854,118.06 × 15,373,066,289.10
  4. Step 4: Simplify right side
    28,232,721,341.60x = 598,963,166,103,180,148,736
  5. Step 5: Solve for x
    x = 598,963,166,103,180,148,736/28,232,721,341.60
  6. Step 6: Final answer
    x = 21,215,211,911.60

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Double scale
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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.