Home / 680,971,813.27-1,017,726,580.78-497,126,425.93

Finding the Fourth Proportional to 680,971,813.27, 1,017,726,580.78 and 497,126,425.93

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Solution

The fourth proportional to 680,971,813.27, 1,017,726,580.78 and 497,126,425.93 is: 742,965,814.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,971,813.27 : 1,017,726,580.78 = 497,126,425.93 : x
  2. Step 2: Convert to fraction form
    680,971,813.27/1,017,726,580.78 = 497,126,425.93/x
  3. Step 3: Cross multiply
    680,971,813.27x = 1,017,726,580.78 × 497,126,425.93
  4. Step 4: Simplify right side
    680,971,813.27x = 505,938,777,673,333,696
  5. Step 5: Solve for x
    x = 505,938,777,673,333,696/680,971,813.27
  6. Step 6: Final answer
    x = 742,965,814.17

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.