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Finding the Fourth Proportional to 8,249,806,775.79, 12,375,595,731.32 and 3,528,619,019.19

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Solution

The fourth proportional to 8,249,806,775.79, 12,375,595,731.32 and 3,528,619,019.19 is: 5,293,307,305.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,249,806,775.79 : 12,375,595,731.32 = 3,528,619,019.19 : x
  2. Step 2: Convert to fraction form
    8,249,806,775.79/12,375,595,731.32 = 3,528,619,019.19/x
  3. Step 3: Cross multiply
    8,249,806,775.79x = 12,375,595,731.32 × 3,528,619,019.19
  4. Step 4: Simplify right side
    8,249,806,775.79x = 43,668,762,471,338,803,200
  5. Step 5: Solve for x
    x = 43,668,762,471,338,803,200/8,249,806,775.79
  6. Step 6: Final answer
    x = 5,293,307,305.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.