Home / 559,128,505.62-771,599,676.18-308,227,390.98

Finding the Fourth Proportional to 559,128,505.62, 771,599,676.18 and 308,227,390.98

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Solution

The fourth proportional to 559,128,505.62, 771,599,676.18 and 308,227,390.98 is: 425,355,088.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,128,505.62 : 771,599,676.18 = 308,227,390.98 : x
  2. Step 2: Convert to fraction form
    559,128,505.62/771,599,676.18 = 308,227,390.98/x
  3. Step 3: Cross multiply
    559,128,505.62x = 771,599,676.18 × 308,227,390.98
  4. Step 4: Simplify right side
    559,128,505.62x = 237,828,155,069,974,240
  5. Step 5: Solve for x
    x = 237,828,155,069,974,240/559,128,505.62
  6. Step 6: Final answer
    x = 425,355,088.64

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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.