Home / 535,984,185.60-803,976,278.40-212,868,057.60

Finding the Fourth Proportional to 535,984,185.60, 803,976,278.40 and 212,868,057.60

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Solution

The fourth proportional to 535,984,185.60, 803,976,278.40 and 212,868,057.60 is: 319,302,086.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,984,185.60 : 803,976,278.40 = 212,868,057.60 : x
  2. Step 2: Convert to fraction form
    535,984,185.60/803,976,278.40 = 212,868,057.60/x
  3. Step 3: Cross multiply
    535,984,185.60x = 803,976,278.40 × 212,868,057.60
  4. Step 4: Simplify right side
    535,984,185.60x = 171,140,868,739,484,832
  5. Step 5: Solve for x
    x = 171,140,868,739,484,832/535,984,185.60
  6. Step 6: Final answer
    x = 319,302,086.40

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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.