Home / 803,909,318.93-1,205,578,607.80-235,869,121.59

Finding the Fourth Proportional to 803,909,318.93, 1,205,578,607.80 and 235,869,121.59

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Solution

The fourth proportional to 803,909,318.93, 1,205,578,607.80 and 235,869,121.59 is: 353,719,953.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,909,318.93 : 1,205,578,607.80 = 235,869,121.59 : x
  2. Step 2: Convert to fraction form
    803,909,318.93/1,205,578,607.80 = 235,869,121.59/x
  3. Step 3: Cross multiply
    803,909,318.93x = 1,205,578,607.80 × 235,869,121.59
  4. Step 4: Simplify right side
    803,909,318.93x = 284,358,767,229,481,120
  5. Step 5: Solve for x
    x = 284,358,767,229,481,120/803,909,318.93
  6. Step 6: Final answer
    x = 353,719,953.90

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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.