Home / 399,182,208.90-599,221,210.95-308,706,893.70

Finding the Fourth Proportional to 399,182,208.90, 599,221,210.95 and 308,706,893.70

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Solution

The fourth proportional to 399,182,208.90, 599,221,210.95 and 308,706,893.70 is: 463,406,721.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,182,208.90 : 599,221,210.95 = 308,706,893.70 : x
  2. Step 2: Convert to fraction form
    399,182,208.90/599,221,210.95 = 308,706,893.70/x
  3. Step 3: Cross multiply
    399,182,208.90x = 599,221,210.95 × 308,706,893.70
  4. Step 4: Simplify right side
    399,182,208.90x = 184,983,718,671,526,944
  5. Step 5: Solve for x
    x = 184,983,718,671,526,944/399,182,208.90
  6. Step 6: Final answer
    x = 463,406,721.41

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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.