Home / 803,909,319.93-1,205,578,609.30-235,869,122.59

Finding the Fourth Proportional to 803,909,319.93, 1,205,578,609.30 and 235,869,122.59

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Solution

The fourth proportional to 803,909,319.93, 1,205,578,609.30 and 235,869,122.59 is: 353,719,955.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,909,319.93 : 1,205,578,609.30 = 235,869,122.59 : x
  2. Step 2: Convert to fraction form
    803,909,319.93/1,205,578,609.30 = 235,869,122.59/x
  3. Step 3: Cross multiply
    803,909,319.93x = 1,205,578,609.30 × 235,869,122.59
  4. Step 4: Simplify right side
    803,909,319.93x = 284,358,768,788,863,392
  5. Step 5: Solve for x
    x = 284,358,768,788,863,392/803,909,319.93
  6. Step 6: Final answer
    x = 353,719,955.40

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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.