Home / 428,229,266.58-590,956,387.02-242,590,282.02

Finding the Fourth Proportional to 428,229,266.58, 590,956,387.02 and 242,590,282.02

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Solution

The fourth proportional to 428,229,266.58, 590,956,387.02 and 242,590,282.02 is: 334,774,588.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,229,266.58 : 590,956,387.02 = 242,590,282.02 : x
  2. Step 2: Convert to fraction form
    428,229,266.58/590,956,387.02 = 242,590,282.02/x
  3. Step 3: Cross multiply
    428,229,266.58x = 590,956,387.02 × 242,590,282.02
  4. Step 4: Simplify right side
    428,229,266.58x = 143,360,276,588,702,064
  5. Step 5: Solve for x
    x = 143,360,276,588,702,064/428,229,266.58
  6. Step 6: Final answer
    x = 334,774,588.70

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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.