Home / 10,971,307,988.42-15,140,147,498.12-6,455,479,536.68

Finding the Fourth Proportional to 10,971,307,988.42, 15,140,147,498.12 and 6,455,479,536.68

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Solution

The fourth proportional to 10,971,307,988.42, 15,140,147,498.12 and 6,455,479,536.68 is: 8,908,410,233.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,971,307,988.42 : 15,140,147,498.12 = 6,455,479,536.68 : x
  2. Step 2: Convert to fraction form
    10,971,307,988.42/15,140,147,498.12 = 6,455,479,536.68/x
  3. Step 3: Cross multiply
    10,971,307,988.42x = 15,140,147,498.12 × 6,455,479,536.68
  4. Step 4: Simplify right side
    10,971,307,988.42x = 97,736,912,356,430,561,280
  5. Step 5: Solve for x
    x = 97,736,912,356,430,561,280/10,971,307,988.42
  6. Step 6: Final answer
    x = 8,908,410,233.27

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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.