Home / 13,677,415,421.45-18,875,026,045.94-7,880,515,049.79

Finding the Fourth Proportional to 13,677,415,421.45, 18,875,026,045.94 and 7,880,515,049.79

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Solution

The fourth proportional to 13,677,415,421.45, 18,875,026,045.94 and 7,880,515,049.79 is: 10,875,221,833.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,677,415,421.45 : 18,875,026,045.94 = 7,880,515,049.79 : x
  2. Step 2: Convert to fraction form
    13,677,415,421.45/18,875,026,045.94 = 7,880,515,049.79/x
  3. Step 3: Cross multiply
    13,677,415,421.45x = 18,875,026,045.94 × 7,880,515,049.79
  4. Step 4: Simplify right side
    13,677,415,421.45x = 148,744,926,820,169,023,488
  5. Step 5: Solve for x
    x = 148,744,926,820,169,023,488/13,677,415,421.45
  6. Step 6: Final answer
    x = 10,875,221,833.72

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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.