Home / 2,985,460,555.31-4,121,427,113.88-1,856,794,131.12

Finding the Fourth Proportional to 2,985,460,555.31, 4,121,427,113.88 and 1,856,794,131.12

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Solution

The fourth proportional to 2,985,460,555.31, 4,121,427,113.88 and 1,856,794,131.12 is: 2,563,303,562.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,985,460,555.31 : 4,121,427,113.88 = 1,856,794,131.12 : x
  2. Step 2: Convert to fraction form
    2,985,460,555.31/4,121,427,113.88 = 1,856,794,131.12/x
  3. Step 3: Cross multiply
    2,985,460,555.31x = 4,121,427,113.88 × 1,856,794,131.12
  4. Step 4: Simplify right side
    2,985,460,555.31x = 7,652,641,676,891,224,064
  5. Step 5: Solve for x
    x = 7,652,641,676,891,224,064/2,985,460,555.31
  6. Step 6: Final answer
    x = 2,563,303,562.42

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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.