Home / 13,484,497,937.80-20,213,142,017.10-6,128,787,627.40

Finding the Fourth Proportional to 13,484,497,937.80, 20,213,142,017.10 and 6,128,787,627.40

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Solution

The fourth proportional to 13,484,497,937.80, 20,213,142,017.10 and 6,128,787,627.40 is: 9,186,997,934.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,484,497,937.80 : 20,213,142,017.10 = 6,128,787,627.40 : x
  2. Step 2: Convert to fraction form
    13,484,497,937.80/20,213,142,017.10 = 6,128,787,627.40/x
  3. Step 3: Cross multiply
    13,484,497,937.80x = 20,213,142,017.10 × 6,128,787,627.40
  4. Step 4: Simplify right side
    13,484,497,937.80x = 123,882,054,705,281,548,288
  5. Step 5: Solve for x
    x = 123,882,054,705,281,548,288/13,484,497,937.80
  6. Step 6: Final answer
    x = 9,186,997,934.72

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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.