Home / 28,166,615,996.80-42,249,923,995.20-26,038,206,601.60

Finding the Fourth Proportional to 28,166,615,996.80, 42,249,923,995.20 and 26,038,206,601.60

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Solution

The fourth proportional to 28,166,615,996.80, 42,249,923,995.20 and 26,038,206,601.60 is: 39,057,309,902.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,166,615,996.80 : 42,249,923,995.20 = 26,038,206,601.60 : x
  2. Step 2: Convert to fraction form
    28,166,615,996.80/42,249,923,995.20 = 26,038,206,601.60/x
  3. Step 3: Cross multiply
    28,166,615,996.80x = 42,249,923,995.20 × 26,038,206,601.60
  4. Step 4: Simplify right side
    28,166,615,996.80x = 1,100,112,249,888,914,800,640
  5. Step 5: Solve for x
    x = 1,100,112,249,888,914,800,640/28,166,615,996.80
  6. Step 6: Final answer
    x = 39,057,309,902.40

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Double scale
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1.5x scale

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.