Home / 2,038,421,646.43-2,812,977,781.52-1,180,132,419.63

Finding the Fourth Proportional to 2,038,421,646.43, 2,812,977,781.52 and 1,180,132,419.63

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Solution

The fourth proportional to 2,038,421,646.43, 2,812,977,781.52 and 1,180,132,419.63 is: 1,628,557,213.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,038,421,646.43 : 2,812,977,781.52 = 1,180,132,419.63 : x
  2. Step 2: Convert to fraction form
    2,038,421,646.43/2,812,977,781.52 = 1,180,132,419.63/x
  3. Step 3: Cross multiply
    2,038,421,646.43x = 2,812,977,781.52 × 1,180,132,419.63
  4. Step 4: Simplify right side
    2,038,421,646.43x = 3,319,686,275,670,627,328
  5. Step 5: Solve for x
    x = 3,319,686,275,670,627,328/2,038,421,646.43
  6. Step 6: Final answer
    x = 1,628,557,213.12

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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.