Home / 13,484,497,929.80-20,213,142,005.10-6,128,787,619.40

Finding the Fourth Proportional to 13,484,497,929.80, 20,213,142,005.10 and 6,128,787,619.40

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Solution

The fourth proportional to 13,484,497,929.80, 20,213,142,005.10 and 6,128,787,619.40 is: 9,186,997,922.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,484,497,929.80 : 20,213,142,005.10 = 6,128,787,619.40 : x
  2. Step 2: Convert to fraction form
    13,484,497,929.80/20,213,142,005.10 = 6,128,787,619.40/x
  3. Step 3: Cross multiply
    13,484,497,929.80x = 20,213,142,005.10 × 6,128,787,619.40
  4. Step 4: Simplify right side
    13,484,497,929.80x = 123,882,054,470,030,950,400
  5. Step 5: Solve for x
    x = 123,882,054,470,030,950,400/13,484,497,929.80
  6. Step 6: Final answer
    x = 9,186,997,922.72

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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.