Home / 938,544,624.51-1,296,266,523.96-618,105,030.84

Finding the Fourth Proportional to 938,544,624.51, 1,296,266,523.96 and 618,105,030.84

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Solution

The fourth proportional to 938,544,624.51, 1,296,266,523.96 and 618,105,030.84 is: 853,692,876.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,544,624.51 : 1,296,266,523.96 = 618,105,030.84 : x
  2. Step 2: Convert to fraction form
    938,544,624.51/1,296,266,523.96 = 618,105,030.84/x
  3. Step 3: Cross multiply
    938,544,624.51x = 1,296,266,523.96 × 618,105,030.84
  4. Step 4: Simplify right side
    938,544,624.51x = 801,228,859,769,155,456
  5. Step 5: Solve for x
    x = 801,228,859,769,155,456/938,544,624.51
  6. Step 6: Final answer
    x = 853,692,876.02

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1.5x scale

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.