Home / 1,259,594,878.86-1,889,385,590.43-326,917,045.71

Finding the Fourth Proportional to 1,259,594,878.86, 1,889,385,590.43 and 326,917,045.71

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Solution

The fourth proportional to 1,259,594,878.86, 1,889,385,590.43 and 326,917,045.71 is: 490,373,822.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,594,878.86 : 1,889,385,590.43 = 326,917,045.71 : x
  2. Step 2: Convert to fraction form
    1,259,594,878.86/1,889,385,590.43 = 326,917,045.71/x
  3. Step 3: Cross multiply
    1,259,594,878.86x = 1,889,385,590.43 × 326,917,045.71
  4. Step 4: Simplify right side
    1,259,594,878.86x = 617,672,355,430,419,584
  5. Step 5: Solve for x
    x = 617,672,355,430,419,584/1,259,594,878.86
  6. Step 6: Final answer
    x = 490,373,822.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.