Home / 559,128,507.12-771,599,678.25-308,227,392.48

Finding the Fourth Proportional to 559,128,507.12, 771,599,678.25 and 308,227,392.48

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Solution

The fourth proportional to 559,128,507.12, 771,599,678.25 and 308,227,392.48 is: 425,355,090.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,128,507.12 : 771,599,678.25 = 308,227,392.48 : x
  2. Step 2: Convert to fraction form
    559,128,507.12/771,599,678.25 = 308,227,392.48/x
  3. Step 3: Cross multiply
    559,128,507.12x = 771,599,678.25 × 308,227,392.48
  4. Step 4: Simplify right side
    559,128,507.12x = 237,828,156,865,404,480
  5. Step 5: Solve for x
    x = 237,828,156,865,404,480/559,128,507.12
  6. Step 6: Final answer
    x = 425,355,090.71

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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.