Home / 9,920,232,000.40-14,880,348,000.60-8,938,766,761.60

Finding the Fourth Proportional to 9,920,232,000.40, 14,880,348,000.60 and 8,938,766,761.60

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Solution

The fourth proportional to 9,920,232,000.40, 14,880,348,000.60 and 8,938,766,761.60 is: 13,408,150,142.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,920,232,000.40 : 14,880,348,000.60 = 8,938,766,761.60 : x
  2. Step 2: Convert to fraction form
    9,920,232,000.40/14,880,348,000.60 = 8,938,766,761.60/x
  3. Step 3: Cross multiply
    9,920,232,000.40x = 14,880,348,000.60 × 8,938,766,761.60
  4. Step 4: Simplify right side
    9,920,232,000.40x = 133,011,960,108,804,308,992
  5. Step 5: Solve for x
    x = 133,011,960,108,804,308,992/9,920,232,000.40
  6. Step 6: Final answer
    x = 13,408,150,142.40

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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.