Home / 384,476,553.28-530,580,191.02-208,264,548.64

Finding the Fourth Proportional to 384,476,553.28, 530,580,191.02 and 208,264,548.64

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Solution

The fourth proportional to 384,476,553.28, 530,580,191.02 and 208,264,548.64 is: 287,406,457.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,476,553.28 : 530,580,191.02 = 208,264,548.64 : x
  2. Step 2: Convert to fraction form
    384,476,553.28/530,580,191.02 = 208,264,548.64/x
  3. Step 3: Cross multiply
    384,476,553.28x = 530,580,191.02 × 208,264,548.64
  4. Step 4: Simplify right side
    384,476,553.28x = 110,501,044,000,105,264
  5. Step 5: Solve for x
    x = 110,501,044,000,105,264/384,476,553.28
  6. Step 6: Final answer
    x = 287,406,457.06

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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.