Home / 13,196,382,964.80-19,817,532,698.40-6,997,655,140.80

Finding the Fourth Proportional to 13,196,382,964.80, 19,817,532,698.40 and 6,997,655,140.80

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Solution

The fourth proportional to 13,196,382,964.80, 19,817,532,698.40 and 6,997,655,140.80 is: 10,508,656,798.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,196,382,964.80 : 19,817,532,698.40 = 6,997,655,140.80 : x
  2. Step 2: Convert to fraction form
    13,196,382,964.80/19,817,532,698.40 = 6,997,655,140.80/x
  3. Step 3: Cross multiply
    13,196,382,964.80x = 19,817,532,698.40 × 6,997,655,140.80
  4. Step 4: Simplify right side
    13,196,382,964.80x = 138,676,259,564,930,875,392
  5. Step 5: Solve for x
    x = 138,676,259,564,930,875,392/13,196,382,964.80
  6. Step 6: Final answer
    x = 10,508,656,798.98

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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.