Home / 1,013,622,602.50-1,398,799,191.45-550,048,586.50

Finding the Fourth Proportional to 1,013,622,602.50, 1,398,799,191.45 and 550,048,586.50

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Solution

The fourth proportional to 1,013,622,602.50, 1,398,799,191.45 and 550,048,586.50 is: 759,067,049.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,013,622,602.50 : 1,398,799,191.45 = 550,048,586.50 : x
  2. Step 2: Convert to fraction form
    1,013,622,602.50/1,398,799,191.45 = 550,048,586.50/x
  3. Step 3: Cross multiply
    1,013,622,602.50x = 1,398,799,191.45 × 550,048,586.50
  4. Step 4: Simplify right side
    1,013,622,602.50x = 769,407,518,054,415,360
  5. Step 5: Solve for x
    x = 769,407,518,054,415,360/1,013,622,602.50
  6. Step 6: Final answer
    x = 759,067,049.37

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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.