Home / 334,283,990.10-501,425,985.15-257,756,486.10

Finding the Fourth Proportional to 334,283,990.10, 501,425,985.15 and 257,756,486.10

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Solution

The fourth proportional to 334,283,990.10, 501,425,985.15 and 257,756,486.10 is: 386,634,729.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,283,990.10 : 501,425,985.15 = 257,756,486.10 : x
  2. Step 2: Convert to fraction form
    334,283,990.10/501,425,985.15 = 257,756,486.10/x
  3. Step 3: Cross multiply
    334,283,990.10x = 501,425,985.15 × 257,756,486.10
  4. Step 4: Simplify right side
    334,283,990.10x = 129,245,799,971,494,768
  5. Step 5: Solve for x
    x = 129,245,799,971,494,768/334,283,990.10
  6. Step 6: Final answer
    x = 386,634,729.15

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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.