Home / 484,860,804.80-727,291,207.20-339,458,547.20

Finding the Fourth Proportional to 484,860,804.80, 727,291,207.20 and 339,458,547.20

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Solution

The fourth proportional to 484,860,804.80, 727,291,207.20 and 339,458,547.20 is: 509,187,820.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,860,804.80 : 727,291,207.20 = 339,458,547.20 : x
  2. Step 2: Convert to fraction form
    484,860,804.80/727,291,207.20 = 339,458,547.20/x
  3. Step 3: Cross multiply
    484,860,804.80x = 727,291,207.20 × 339,458,547.20
  4. Step 4: Simplify right side
    484,860,804.80x = 246,885,216,587,446,176
  5. Step 5: Solve for x
    x = 246,885,216,587,446,176/484,860,804.80
  6. Step 6: Final answer
    x = 509,187,820.80

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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.