Home / 30,154,408,002.40-45,231,612,003.60-8,071,440,129.40

Finding the Fourth Proportional to 30,154,408,002.40, 45,231,612,003.60 and 8,071,440,129.40

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Solution

The fourth proportional to 30,154,408,002.40, 45,231,612,003.60 and 8,071,440,129.40 is: 12,107,160,194.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,154,408,002.40 : 45,231,612,003.60 = 8,071,440,129.40 : x
  2. Step 2: Convert to fraction form
    30,154,408,002.40/45,231,612,003.60 = 8,071,440,129.40/x
  3. Step 3: Cross multiply
    30,154,408,002.40x = 45,231,612,003.60 × 8,071,440,129.40
  4. Step 4: Simplify right side
    30,154,408,002.40x = 365,084,248,243,307,741,184
  5. Step 5: Solve for x
    x = 365,084,248,243,307,741,184/30,154,408,002.40
  6. Step 6: Final answer
    x = 12,107,160,194.10

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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.