Home / 1,555,911,977.37-2,147,164,953.59-841,447,515.18

Finding the Fourth Proportional to 1,555,911,977.37, 2,147,164,953.59 and 841,447,515.18

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Solution

The fourth proportional to 1,555,911,977.37, 2,147,164,953.59 and 841,447,515.18 is: 1,161,201,045.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,555,911,977.37 : 2,147,164,953.59 = 841,447,515.18 : x
  2. Step 2: Convert to fraction form
    1,555,911,977.37/2,147,164,953.59 = 841,447,515.18/x
  3. Step 3: Cross multiply
    1,555,911,977.37x = 2,147,164,953.59 × 841,447,515.18
  4. Step 4: Simplify right side
    1,555,911,977.37x = 1,806,726,614,879,885,312
  5. Step 5: Solve for x
    x = 1,806,726,614,879,885,312/1,555,911,977.37
  6. Step 6: Final answer
    x = 1,161,201,045.53

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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.