Home / 1,435,008,613.07-1,980,311,869.59-774,958,891.07

Finding the Fourth Proportional to 1,435,008,613.07, 1,980,311,869.59 and 774,958,891.07

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Solution

The fourth proportional to 1,435,008,613.07, 1,980,311,869.59 and 774,958,891.07 is: 1,069,443,260.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,435,008,613.07 : 1,980,311,869.59 = 774,958,891.07 : x
  2. Step 2: Convert to fraction form
    1,435,008,613.07/1,980,311,869.59 = 774,958,891.07/x
  3. Step 3: Cross multiply
    1,435,008,613.07x = 1,980,311,869.59 × 774,958,891.07
  4. Step 4: Simplify right side
    1,435,008,613.07x = 1,534,660,290,435,175,424
  5. Step 5: Solve for x
    x = 1,534,660,290,435,175,424/1,435,008,613.07
  6. Step 6: Final answer
    x = 1,069,443,260.80

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Double scale
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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.