Home / 1,261,212,050.27-1,740,438,895.82-696,684,782.22

Finding the Fourth Proportional to 1,261,212,050.27, 1,740,438,895.82 and 696,684,782.22

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Solution

The fourth proportional to 1,261,212,050.27, 1,740,438,895.82 and 696,684,782.22 is: 961,406,365.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,261,212,050.27 : 1,740,438,895.82 = 696,684,782.22 : x
  2. Step 2: Convert to fraction form
    1,261,212,050.27/1,740,438,895.82 = 696,684,782.22/x
  3. Step 3: Cross multiply
    1,261,212,050.27x = 1,740,438,895.82 × 696,684,782.22
  4. Step 4: Simplify right side
    1,261,212,050.27x = 1,212,537,293,098,090,752
  5. Step 5: Solve for x
    x = 1,212,537,293,098,090,752/1,261,212,050.27
  6. Step 6: Final answer
    x = 961,406,365.28

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Half scale
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Double scale
Find fourth proportional to 1,261,212,051.27, 1,740,438,897.19 and 696,684,783.22
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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.