Home / 928,232,498.88-1,280,985,081.84-510,555,742.92

Finding the Fourth Proportional to 928,232,498.88, 1,280,985,081.84 and 510,555,742.92

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Solution

The fourth proportional to 928,232,498.88, 1,280,985,081.84 and 510,555,742.92 is: 704,580,254.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,232,498.88 : 1,280,985,081.84 = 510,555,742.92 : x
  2. Step 2: Convert to fraction form
    928,232,498.88/1,280,985,081.84 = 510,555,742.92/x
  3. Step 3: Cross multiply
    928,232,498.88x = 1,280,985,081.84 × 510,555,742.92
  4. Step 4: Simplify right side
    928,232,498.88x = 654,014,290,128,258,176
  5. Step 5: Solve for x
    x = 654,014,290,128,258,176/928,232,498.88
  6. Step 6: Final answer
    x = 704,580,254.32

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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.