Home / 778,572,715.10-1,167,859,072.65-233,243,390.30

Finding the Fourth Proportional to 778,572,715.10, 1,167,859,072.65 and 233,243,390.30

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Solution

The fourth proportional to 778,572,715.10, 1,167,859,072.65 and 233,243,390.30 is: 349,865,085.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,572,715.10 : 1,167,859,072.65 = 233,243,390.30 : x
  2. Step 2: Convert to fraction form
    778,572,715.10/1,167,859,072.65 = 233,243,390.30/x
  3. Step 3: Cross multiply
    778,572,715.10x = 1,167,859,072.65 × 233,243,390.30
  4. Step 4: Simplify right side
    778,572,715.10x = 272,395,409,497,500,032
  5. Step 5: Solve for x
    x = 272,395,409,497,500,032/778,572,715.10
  6. Step 6: Final answer
    x = 349,865,085.45

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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.