Home / 1,020,295,957,687.60-1,408,008,367,761.70-551,006,488,357.80

Finding the Fourth Proportional to 1,020,295,957,687.60, 1,408,008,367,761.70 and 551,006,488,357.80

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Solution

The fourth proportional to 1,020,295,957,687.60, 1,408,008,367,761.70 and 551,006,488,357.80 is: 760,388,924,853.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,020,295,957,687.60 : 1,408,008,367,761.70 = 551,006,488,357.80 : x
  2. Step 2: Convert to fraction form
    1,020,295,957,687.60/1,408,008,367,761.70 = 551,006,488,357.80/x
  3. Step 3: Cross multiply
    1,020,295,957,687.60x = 1,408,008,367,761.70 × 551,006,488,357.80
  4. Step 4: Simplify right side
    1,020,295,957,687.60x = 775,821,746,298,772,210,581,504
  5. Step 5: Solve for x
    x = 775,821,746,298,772,210,581,504/1,020,295,957,687.60
  6. Step 6: Final answer
    x = 760,388,924,853.82

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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.