Home / 10,971,307,991.16-15,140,147,501.93-6,455,479,539.42

Finding the Fourth Proportional to 10,971,307,991.16, 15,140,147,501.93 and 6,455,479,539.42

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Solution

The fourth proportional to 10,971,307,991.16, 15,140,147,501.93 and 6,455,479,539.42 is: 8,908,410,237.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,971,307,991.16 : 15,140,147,501.93 = 6,455,479,539.42 : x
  2. Step 2: Convert to fraction form
    10,971,307,991.16/15,140,147,501.93 = 6,455,479,539.42/x
  3. Step 3: Cross multiply
    10,971,307,991.16x = 15,140,147,501.93 × 6,455,479,539.42
  4. Step 4: Simplify right side
    10,971,307,991.16x = 97,736,912,422,477,660,160
  5. Step 5: Solve for x
    x = 97,736,912,422,477,660,160/10,971,307,991.16
  6. Step 6: Final answer
    x = 8,908,410,237.07

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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.