Home / 359,032,060.80-495,442,890.63-208,313,040.51

Finding the Fourth Proportional to 359,032,060.80, 495,442,890.63 and 208,313,040.51

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Solution

The fourth proportional to 359,032,060.80, 495,442,890.63 and 208,313,040.51 is: 287,459,606.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,032,060.80 : 495,442,890.63 = 208,313,040.51 : x
  2. Step 2: Convert to fraction form
    359,032,060.80/495,442,890.63 = 208,313,040.51/x
  3. Step 3: Cross multiply
    359,032,060.80x = 495,442,890.63 × 208,313,040.51
  4. Step 4: Simplify right side
    359,032,060.80x = 103,207,214,946,198,688
  5. Step 5: Solve for x
    x = 103,207,214,946,198,688/359,032,060.80
  6. Step 6: Final answer
    x = 287,459,606.58

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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.