Home / 550,566,090.15-825,849,135.23-386,988,550.35

Finding the Fourth Proportional to 550,566,090.15, 825,849,135.23 and 386,988,550.35

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Solution

The fourth proportional to 550,566,090.15, 825,849,135.23 and 386,988,550.35 is: 580,482,825.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,566,090.15 : 825,849,135.23 = 386,988,550.35 : x
  2. Step 2: Convert to fraction form
    550,566,090.15/825,849,135.23 = 386,988,550.35/x
  3. Step 3: Cross multiply
    550,566,090.15x = 825,849,135.23 × 386,988,550.35
  4. Step 4: Simplify right side
    550,566,090.15x = 319,594,159,648,523,904
  5. Step 5: Solve for x
    x = 319,594,159,648,523,904/550,566,090.15
  6. Step 6: Final answer
    x = 580,482,825.53

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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.