Home / 14,297,885,379.51-19,731,260,332.20-7,868,445,069.88

Finding the Fourth Proportional to 14,297,885,379.51, 19,731,260,332.20 and 7,868,445,069.88

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Solution

The fourth proportional to 14,297,885,379.51, 19,731,260,332.20 and 7,868,445,069.88 is: 10,858,552,433.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,297,885,379.51 : 19,731,260,332.20 = 7,868,445,069.88 : x
  2. Step 2: Convert to fraction form
    14,297,885,379.51/19,731,260,332.20 = 7,868,445,069.88/x
  3. Step 3: Cross multiply
    14,297,885,379.51x = 19,731,260,332.20 × 7,868,445,069.88
  4. Step 4: Simplify right side
    14,297,885,379.51x = 155,254,338,083,417,915,392
  5. Step 5: Solve for x
    x = 155,254,338,083,417,915,392/14,297,885,379.51
  6. Step 6: Final answer
    x = 10,858,552,433.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.