Home / 10,971,307,996.68-15,140,147,509.47-6,455,479,544.94

Finding the Fourth Proportional to 10,971,307,996.68, 15,140,147,509.47 and 6,455,479,544.94

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Solution

The fourth proportional to 10,971,307,996.68, 15,140,147,509.47 and 6,455,479,544.94 is: 8,908,410,244.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,971,307,996.68 : 15,140,147,509.47 = 6,455,479,544.94 : x
  2. Step 2: Convert to fraction form
    10,971,307,996.68/15,140,147,509.47 = 6,455,479,544.94/x
  3. Step 3: Cross multiply
    10,971,307,996.68x = 15,140,147,509.47 × 6,455,479,544.94
  4. Step 4: Simplify right side
    10,971,307,996.68x = 97,736,912,554,757,865,472
  5. Step 5: Solve for x
    x = 97,736,912,554,757,865,472/10,971,307,996.68
  6. Step 6: Final answer
    x = 8,908,410,244.64

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Double scale
Find fourth proportional to 10,971,307,997.68, 15,140,147,510.85 and 6,455,479,545.94
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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.