Home / 2,761,177,394.18-3,810,314,715.95-1,555,490,554.47

Finding the Fourth Proportional to 2,761,177,394.18, 3,810,314,715.95 and 1,555,490,554.47

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Solution

The fourth proportional to 2,761,177,394.18, 3,810,314,715.95 and 1,555,490,554.47 is: 2,146,514,947.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,761,177,394.18 : 3,810,314,715.95 = 1,555,490,554.47 : x
  2. Step 2: Convert to fraction form
    2,761,177,394.18/3,810,314,715.95 = 1,555,490,554.47/x
  3. Step 3: Cross multiply
    2,761,177,394.18x = 3,810,314,715.95 × 1,555,490,554.47
  4. Step 4: Simplify right side
    2,761,177,394.18x = 5,926,908,550,222,154,752
  5. Step 5: Solve for x
    x = 5,926,908,550,222,154,752/2,761,177,394.18
  6. Step 6: Final answer
    x = 2,146,514,947.83

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Double scale
Find fourth proportional to 2,761,177,395.18, 3,810,314,717.33 and 1,555,490,555.47
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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.