Home / 9,920,232,021.90-14,880,348,032.85-8,938,766,783.10

Finding the Fourth Proportional to 9,920,232,021.90, 14,880,348,032.85 and 8,938,766,783.10

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Solution

The fourth proportional to 9,920,232,021.90, 14,880,348,032.85 and 8,938,766,783.10 is: 13,408,150,174.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,920,232,021.90 : 14,880,348,032.85 = 8,938,766,783.10 : x
  2. Step 2: Convert to fraction form
    9,920,232,021.90/14,880,348,032.85 = 8,938,766,783.10/x
  3. Step 3: Cross multiply
    9,920,232,021.90x = 14,880,348,032.85 × 8,938,766,783.10
  4. Step 4: Simplify right side
    9,920,232,021.90x = 133,011,960,717,007,011,840
  5. Step 5: Solve for x
    x = 133,011,960,717,007,011,840/9,920,232,021.90
  6. Step 6: Final answer
    x = 13,408,150,174.65

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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.