Home / 12,310,366,832.64-16,996,645,541.88-7,798,249,987.20

Finding the Fourth Proportional to 12,310,366,832.64, 16,996,645,541.88 and 7,798,249,987.20

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Solution

The fourth proportional to 12,310,366,832.64, 16,996,645,541.88 and 7,798,249,987.20 is: 10,766,867,688.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,310,366,832.64 : 16,996,645,541.88 = 7,798,249,987.20 : x
  2. Step 2: Convert to fraction form
    12,310,366,832.64/16,996,645,541.88 = 7,798,249,987.20/x
  3. Step 3: Cross multiply
    12,310,366,832.64x = 16,996,645,541.88 × 7,798,249,987.20
  4. Step 4: Simplify right side
    12,310,366,832.64x = 132,544,090,879,408,635,904
  5. Step 5: Solve for x
    x = 132,544,090,879,408,635,904/12,310,366,832.64
  6. Step 6: Final answer
    x = 10,766,867,688.13

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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.