Home / 15,885,781,672.40-21,923,927,172.36-11,864,470,502.48

Finding the Fourth Proportional to 15,885,781,672.40, 21,923,927,172.36 and 11,864,470,502.48

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Solution

The fourth proportional to 15,885,781,672.40, 21,923,927,172.36 and 11,864,470,502.48 is: 16,374,125,781.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,885,781,672.40 : 21,923,927,172.36 = 11,864,470,502.48 : x
  2. Step 2: Convert to fraction form
    15,885,781,672.40/21,923,927,172.36 = 11,864,470,502.48/x
  3. Step 3: Cross multiply
    15,885,781,672.40x = 21,923,927,172.36 × 11,864,470,502.48
  4. Step 4: Simplify right side
    15,885,781,672.40x = 260,115,787,234,984,984,576
  5. Step 5: Solve for x
    x = 260,115,787,234,984,984,576/15,885,781,672.40
  6. Step 6: Final answer
    x = 16,374,125,781.10

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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.