Home / 15,054,534,766.71-20,775,268,633.34-8,280,868,703.36

Finding the Fourth Proportional to 15,054,534,766.71, 20,775,268,633.34 and 8,280,868,703.36

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Solution

The fourth proportional to 15,054,534,766.71, 20,775,268,633.34 and 8,280,868,703.36 is: 11,427,604,671.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,054,534,766.71 : 20,775,268,633.34 = 8,280,868,703.36 : x
  2. Step 2: Convert to fraction form
    15,054,534,766.71/20,775,268,633.34 = 8,280,868,703.36/x
  3. Step 3: Cross multiply
    15,054,534,766.71x = 20,775,268,633.34 × 8,280,868,703.36
  4. Step 4: Simplify right side
    15,054,534,766.71x = 172,037,271,829,634,547,712
  5. Step 5: Solve for x
    x = 172,037,271,829,634,547,712/15,054,534,766.71
  6. Step 6: Final answer
    x = 11,427,604,671.65

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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.