Home / 559,208,585.36-771,712,965.96-308,321,981.48

Finding the Fourth Proportional to 559,208,585.36, 771,712,965.96 and 308,321,981.48

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Solution

The fourth proportional to 559,208,585.36, 771,712,965.96 and 308,321,981.48 is: 425,487,156.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,208,585.36 : 771,712,965.96 = 308,321,981.48 : x
  2. Step 2: Convert to fraction form
    559,208,585.36/771,712,965.96 = 308,321,981.48/x
  3. Step 3: Cross multiply
    559,208,585.36x = 771,712,965.96 × 308,321,981.48
  4. Step 4: Simplify right side
    559,208,585.36x = 237,936,070,798,595,008
  5. Step 5: Solve for x
    x = 237,936,070,798,595,008/559,208,585.36
  6. Step 6: Final answer
    x = 425,487,156.36

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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.