Home / 558,813,897.37-771,128,431.74-307,904,248.03

Finding the Fourth Proportional to 558,813,897.37, 771,128,431.74 and 307,904,248.03

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Solution

The fourth proportional to 558,813,897.37, 771,128,431.74 and 307,904,248.03 is: 424,888,717.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,813,897.37 : 771,128,431.74 = 307,904,248.03 : x
  2. Step 2: Convert to fraction form
    558,813,897.37/771,128,431.74 = 307,904,248.03/x
  3. Step 3: Cross multiply
    558,813,897.37x = 771,128,431.74 × 307,904,248.03
  4. Step 4: Simplify right side
    558,813,897.37x = 237,433,719,909,457,856
  5. Step 5: Solve for x
    x = 237,433,719,909,457,856/558,813,897.37
  6. Step 6: Final answer
    x = 424,888,717.03

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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.