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Finding the Fourth Proportional to 2,239,884,030.80, 3,128,581,702 and 2,239,884,030.80

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Solution

The fourth proportional to 2,239,884,030.80, 3,128,581,702 and 2,239,884,030.80 is: 3,128,581,702

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,239,884,030.80 : 3,128,581,702 = 2,239,884,030.80 : x
  2. Step 2: Convert to fraction form
    2,239,884,030.80/3,128,581,702 = 2,239,884,030.80/x
  3. Step 3: Cross multiply
    2,239,884,030.80x = 3,128,581,702 × 2,239,884,030.80
  4. Step 4: Simplify right side
    2,239,884,030.80x = 7,007,660,193,362,884,608
  5. Step 5: Solve for x
    x = 7,007,660,193,362,884,608/2,239,884,030.80
  6. Step 6: Final answer
    x = 3,128,581,702

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.