Home / 779,235,756.22-1,168,853,336.25-312,897,040.39

Finding the Fourth Proportional to 779,235,756.22, 1,168,853,336.25 and 312,897,040.39

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Solution

The fourth proportional to 779,235,756.22, 1,168,853,336.25 and 312,897,040.39 is: 469,345,440.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,235,756.22 : 1,168,853,336.25 = 312,897,040.39 : x
  2. Step 2: Convert to fraction form
    779,235,756.22/1,168,853,336.25 = 312,897,040.39/x
  3. Step 3: Cross multiply
    779,235,756.22x = 1,168,853,336.25 × 312,897,040.39
  4. Step 4: Simplify right side
    779,235,756.22x = 365,730,749,562,602,496
  5. Step 5: Solve for x
    x = 365,730,749,562,602,496/779,235,756.22
  6. Step 6: Final answer
    x = 469,345,440.89

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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.