Home / 559,128,495.84-771,599,662.68-308,227,381.22

Finding the Fourth Proportional to 559,128,495.84, 771,599,662.68 and 308,227,381.22

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Solution

The fourth proportional to 559,128,495.84, 771,599,662.68 and 308,227,381.22 is: 425,355,075.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,128,495.84 : 771,599,662.68 = 308,227,381.22 : x
  2. Step 2: Convert to fraction form
    559,128,495.84/771,599,662.68 = 308,227,381.22/x
  3. Step 3: Cross multiply
    559,128,495.84x = 771,599,662.68 × 308,227,381.22
  4. Step 4: Simplify right side
    559,128,495.84x = 237,828,143,374,233,728
  5. Step 5: Solve for x
    x = 237,828,143,374,233,728/559,128,495.84
  6. Step 6: Final answer
    x = 425,355,075.16

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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.