Home / 1,405,770,057,269.60-1,939,807,567,513.10-788,345,717,499.80

Finding the Fourth Proportional to 1,405,770,057,269.60, 1,939,807,567,513.10 and 788,345,717,499.80

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Solution

The fourth proportional to 1,405,770,057,269.60, 1,939,807,567,513.10 and 788,345,717,499.80 is: 1,087,830,104,727.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,405,770,057,269.60 : 1,939,807,567,513.10 = 788,345,717,499.80 : x
  2. Step 2: Convert to fraction form
    1,405,770,057,269.60/1,939,807,567,513.10 = 788,345,717,499.80/x
  3. Step 3: Cross multiply
    1,405,770,057,269.60x = 1,939,807,567,513.10 × 788,345,717,499.80
  4. Step 4: Simplify right side
    1,405,770,057,269.60x = 1,529,238,988,622,656,597,655,552
  5. Step 5: Solve for x
    x = 1,529,238,988,622,656,597,655,552/1,405,770,057,269.60
  6. Step 6: Final answer
    x = 1,087,830,104,727.70

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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.