Home / 13,484,497,930.80-20,213,142,006.60-6,128,787,620.40

Finding the Fourth Proportional to 13,484,497,930.80, 20,213,142,006.60 and 6,128,787,620.40

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Solution

The fourth proportional to 13,484,497,930.80, 20,213,142,006.60 and 6,128,787,620.40 is: 9,186,997,924.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,484,497,930.80 : 20,213,142,006.60 = 6,128,787,620.40 : x
  2. Step 2: Convert to fraction form
    13,484,497,930.80/20,213,142,006.60 = 6,128,787,620.40/x
  3. Step 3: Cross multiply
    13,484,497,930.80x = 20,213,142,006.60 × 6,128,787,620.40
  4. Step 4: Simplify right side
    13,484,497,930.80x = 123,882,054,499,437,281,280
  5. Step 5: Solve for x
    x = 123,882,054,499,437,281,280/13,484,497,930.80
  6. Step 6: Final answer
    x = 9,186,997,924.22

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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.