Home / 290,402,854.80-435,604,282.20-263,528,998.80

Finding the Fourth Proportional to 290,402,854.80, 435,604,282.20 and 263,528,998.80

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Solution

The fourth proportional to 290,402,854.80, 435,604,282.20 and 263,528,998.80 is: 395,293,498.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,402,854.80 : 435,604,282.20 = 263,528,998.80 : x
  2. Step 2: Convert to fraction form
    290,402,854.80/435,604,282.20 = 263,528,998.80/x
  3. Step 3: Cross multiply
    290,402,854.80x = 435,604,282.20 × 263,528,998.80
  4. Step 4: Simplify right side
    290,402,854.80x = 114,794,360,361,158,656
  5. Step 5: Solve for x
    x = 114,794,360,361,158,656/290,402,854.80
  6. Step 6: Final answer
    x = 395,293,498.20

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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.