Home / 3,577,249,261.78-4,936,366,147.88-1,991,300,443.14

Finding the Fourth Proportional to 3,577,249,261.78, 4,936,366,147.88 and 1,991,300,443.14

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Solution

The fourth proportional to 3,577,249,261.78, 4,936,366,147.88 and 1,991,300,443.14 is: 2,747,862,219.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,577,249,261.78 : 4,936,366,147.88 = 1,991,300,443.14 : x
  2. Step 2: Convert to fraction form
    3,577,249,261.78/4,936,366,147.88 = 1,991,300,443.14/x
  3. Step 3: Cross multiply
    3,577,249,261.78x = 4,936,366,147.88 × 1,991,300,443.14
  4. Step 4: Simplify right side
    3,577,249,261.78x = 9,829,788,097,774,739,456
  5. Step 5: Solve for x
    x = 9,829,788,097,774,739,456/3,577,249,261.78
  6. Step 6: Final answer
    x = 2,747,862,219.95

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Double scale
Find fourth proportional to 3,577,249,262.78, 4,936,366,149.26 and 1,991,300,444.14
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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.