Home / 535,221,921.34-803,620,980.81-299,333,601.98

Finding the Fourth Proportional to 535,221,921.34, 803,620,980.81 and 299,333,601.98

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Solution

The fourth proportional to 535,221,921.34, 803,620,980.81 and 299,333,601.98 is: 449,441,163.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,221,921.34 : 803,620,980.81 = 299,333,601.98 : x
  2. Step 2: Convert to fraction form
    535,221,921.34/803,620,980.81 = 299,333,601.98/x
  3. Step 3: Cross multiply
    535,221,921.34x = 803,620,980.81 × 299,333,601.98
  4. Step 4: Simplify right side
    535,221,921.34x = 240,550,762,812,557,760
  5. Step 5: Solve for x
    x = 240,550,762,812,557,760/535,221,921.34
  6. Step 6: Final answer
    x = 449,441,163.04

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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.