Home / 1,282,933,154.61-1,770,447,681.05-696,222,290.61

Finding the Fourth Proportional to 1,282,933,154.61, 1,770,447,681.05 and 696,222,290.61

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Solution

The fourth proportional to 1,282,933,154.61, 1,770,447,681.05 and 696,222,290.61 is: 960,786,721.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,282,933,154.61 : 1,770,447,681.05 = 696,222,290.61 : x
  2. Step 2: Convert to fraction form
    1,282,933,154.61/1,770,447,681.05 = 696,222,290.61/x
  3. Step 3: Cross multiply
    1,282,933,154.61x = 1,770,447,681.05 × 696,222,290.61
  4. Step 4: Simplify right side
    1,282,933,154.61x = 1,232,625,139,902,312,704
  5. Step 5: Solve for x
    x = 1,232,625,139,902,312,704/1,282,933,154.61
  6. Step 6: Final answer
    x = 960,786,721.80

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Double scale
Find fourth proportional to 1,282,933,155.61, 1,770,447,682.43 and 696,222,291.61
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1.5x scale

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.