Home / 913,838,048.40-1,370,757,072.60-874,031,149.20

Finding the Fourth Proportional to 913,838,048.40, 1,370,757,072.60 and 874,031,149.20

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Solution

The fourth proportional to 913,838,048.40, 1,370,757,072.60 and 874,031,149.20 is: 1,311,046,723.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,838,048.40 : 1,370,757,072.60 = 874,031,149.20 : x
  2. Step 2: Convert to fraction form
    913,838,048.40/1,370,757,072.60 = 874,031,149.20/x
  3. Step 3: Cross multiply
    913,838,048.40x = 1,370,757,072.60 × 874,031,149.20
  4. Step 4: Simplify right side
    913,838,048.40x = 1,198,084,379,438,605,824
  5. Step 5: Solve for x
    x = 1,198,084,379,438,605,824/913,838,048.40
  6. Step 6: Final answer
    x = 1,311,046,723.80

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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.