Home / 559,128,507.62-771,599,678.94-308,227,392.98

Finding the Fourth Proportional to 559,128,507.62, 771,599,678.94 and 308,227,392.98

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Solution

The fourth proportional to 559,128,507.62, 771,599,678.94 and 308,227,392.98 is: 425,355,091.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,128,507.62 : 771,599,678.94 = 308,227,392.98 : x
  2. Step 2: Convert to fraction form
    559,128,507.62/771,599,678.94 = 308,227,392.98/x
  3. Step 3: Cross multiply
    559,128,507.62x = 771,599,678.94 × 308,227,392.98
  4. Step 4: Simplify right side
    559,128,507.62x = 237,828,157,463,881,248
  5. Step 5: Solve for x
    x = 237,828,157,463,881,248/559,128,507.62
  6. Step 6: Final answer
    x = 425,355,091.40

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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.