Home / 778,396,656,721.96-1,167,169,343,600.20-618,077,902,364.20

Finding the Fourth Proportional to 778,396,656,721.96, 1,167,169,343,600.20 and 618,077,902,364.20

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Solution

The fourth proportional to 778,396,656,721.96, 1,167,169,343,600.20 and 618,077,902,364.20 is: 926,778,877,281.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,396,656,721.96 : 1,167,169,343,600.20 = 618,077,902,364.20 : x
  2. Step 2: Convert to fraction form
    778,396,656,721.96/1,167,169,343,600.20 = 618,077,902,364.20/x
  3. Step 3: Cross multiply
    778,396,656,721.96x = 1,167,169,343,600.20 × 618,077,902,364.20
  4. Step 4: Simplify right side
    778,396,656,721.96x = 721,401,579,596,211,770,359,808
  5. Step 5: Solve for x
    x = 721,401,579,596,211,770,359,808/778,396,656,721.96
  6. Step 6: Final answer
    x = 926,778,877,281.19

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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.