Home / 778,572,717.60-1,167,859,076.40-233,243,392.80

Finding the Fourth Proportional to 778,572,717.60, 1,167,859,076.40 and 233,243,392.80

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Solution

The fourth proportional to 778,572,717.60, 1,167,859,076.40 and 233,243,392.80 is: 349,865,089.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,572,717.60 : 1,167,859,076.40 = 233,243,392.80 : x
  2. Step 2: Convert to fraction form
    778,572,717.60/1,167,859,076.40 = 233,243,392.80/x
  3. Step 3: Cross multiply
    778,572,717.60x = 1,167,859,076.40 × 233,243,392.80
  4. Step 4: Simplify right side
    778,572,717.60x = 272,395,413,291,810,432
  5. Step 5: Solve for x
    x = 272,395,413,291,810,432/778,572,717.60
  6. Step 6: Final answer
    x = 349,865,089.20

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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.