Home / 334,284,009.60-501,426,014.40-257,756,505.60

Finding the Fourth Proportional to 334,284,009.60, 501,426,014.40 and 257,756,505.60

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Solution

The fourth proportional to 334,284,009.60, 501,426,014.40 and 257,756,505.60 is: 386,634,758.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,284,009.60 : 501,426,014.40 = 257,756,505.60 : x
  2. Step 2: Convert to fraction form
    334,284,009.60/501,426,014.40 = 257,756,505.60/x
  3. Step 3: Cross multiply
    334,284,009.60x = 501,426,014.40 × 257,756,505.60
  4. Step 4: Simplify right side
    334,284,009.60x = 129,245,817,288,679,264
  5. Step 5: Solve for x
    x = 129,245,817,288,679,264/334,284,009.60
  6. Step 6: Final answer
    x = 386,634,758.40

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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.