Home / 678,149,213,094.29-1,017,422,316,892.80-218,674,642,440.27

Finding the Fourth Proportional to 678,149,213,094.29, 1,017,422,316,892.80 and 218,674,642,440.27

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Solution

The fourth proportional to 678,149,213,094.29, 1,017,422,316,892.80 and 218,674,642,440.27 is: 328,075,970,688.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    678,149,213,094.29 : 1,017,422,316,892.80 = 218,674,642,440.27 : x
  2. Step 2: Convert to fraction form
    678,149,213,094.29/1,017,422,316,892.80 = 218,674,642,440.27/x
  3. Step 3: Cross multiply
    678,149,213,094.29x = 1,017,422,316,892.80 × 218,674,642,440.27
  4. Step 4: Simplify right side
    678,149,213,094.29x = 222,484,461,357,284,114,563,072
  5. Step 5: Solve for x
    x = 222,484,461,357,284,114,563,072/678,149,213,094.29
  6. Step 6: Final answer
    x = 328,075,970,688.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.