Home / 9,920,232,018.40-14,880,348,027.60-8,938,766,779.60

Finding the Fourth Proportional to 9,920,232,018.40, 14,880,348,027.60 and 8,938,766,779.60

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Solution

The fourth proportional to 9,920,232,018.40, 14,880,348,027.60 and 8,938,766,779.60 is: 13,408,150,169.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,920,232,018.40 : 14,880,348,027.60 = 8,938,766,779.60 : x
  2. Step 2: Convert to fraction form
    9,920,232,018.40/14,880,348,027.60 = 8,938,766,779.60/x
  3. Step 3: Cross multiply
    9,920,232,018.40x = 14,880,348,027.60 × 8,938,766,779.60
  4. Step 4: Simplify right side
    9,920,232,018.40x = 133,011,960,617,997,271,040
  5. Step 5: Solve for x
    x = 133,011,960,617,997,271,040/9,920,232,018.40
  6. Step 6: Final answer
    x = 13,408,150,169.40

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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.