Home / 961,848,929.70-1,327,354,095.69-521,815,781.70

Finding the Fourth Proportional to 961,848,929.70, 1,327,354,095.69 and 521,815,781.70

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Solution

The fourth proportional to 961,848,929.70, 1,327,354,095.69 and 521,815,781.70 is: 720,107,174.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    961,848,929.70 : 1,327,354,095.69 = 521,815,781.70 : x
  2. Step 2: Convert to fraction form
    961,848,929.70/1,327,354,095.69 = 521,815,781.70/x
  3. Step 3: Cross multiply
    961,848,929.70x = 1,327,354,095.69 × 521,815,781.70
  4. Step 4: Simplify right side
    961,848,929.70x = 692,634,315,035,174,016
  5. Step 5: Solve for x
    x = 692,634,315,035,174,016/961,848,929.70
  6. Step 6: Final answer
    x = 720,107,174.47

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Double scale
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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.