Home / 1,316,630,131.20-1,974,882,211.20-443,145,830.40

Finding the Fourth Proportional to 1,316,630,131.20, 1,974,882,211.20 and 443,145,830.40

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Solution

The fourth proportional to 1,316,630,131.20, 1,974,882,211.20 and 443,145,830.40 is: 664,697,546.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,316,630,131.20 : 1,974,882,211.20 = 443,145,830.40 : x
  2. Step 2: Convert to fraction form
    1,316,630,131.20/1,974,882,211.20 = 443,145,830.40/x
  3. Step 3: Cross multiply
    1,316,630,131.20x = 1,974,882,211.20 × 443,145,830.40
  4. Step 4: Simplify right side
    1,316,630,131.20x = 875,160,817,424,412,160
  5. Step 5: Solve for x
    x = 875,160,817,424,412,160/1,316,630,131.20
  6. Step 6: Final answer
    x = 664,697,546.17

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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.