Home / 1,020,295,957,689.10-1,408,008,367,763.80-551,006,488,359.30

Finding the Fourth Proportional to 1,020,295,957,689.10, 1,408,008,367,763.80 and 551,006,488,359.30

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Solution

The fourth proportional to 1,020,295,957,689.10, 1,408,008,367,763.80 and 551,006,488,359.30 is: 760,388,924,855.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,020,295,957,689.10 : 1,408,008,367,763.80 = 551,006,488,359.30 : x
  2. Step 2: Convert to fraction form
    1,020,295,957,689.10/1,408,008,367,763.80 = 551,006,488,359.30/x
  3. Step 3: Cross multiply
    1,020,295,957,689.10x = 1,408,008,367,763.80 × 551,006,488,359.30
  4. Step 4: Simplify right side
    1,020,295,957,689.10x = 775,821,746,302,041,351,782,400
  5. Step 5: Solve for x
    x = 775,821,746,302,041,351,782,400/1,020,295,957,689.10
  6. Step 6: Final answer
    x = 760,388,924,855.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.