Home / 327,884,328.40-491,826,492.60-85,547,232.40

Finding the Fourth Proportional to 327,884,328.40, 491,826,492.60 and 85,547,232.40

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Solution

The fourth proportional to 327,884,328.40, 491,826,492.60 and 85,547,232.40 is: 128,320,848.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,884,328.40 : 491,826,492.60 = 85,547,232.40 : x
  2. Step 2: Convert to fraction form
    327,884,328.40/491,826,492.60 = 85,547,232.40/x
  3. Step 3: Cross multiply
    327,884,328.40x = 491,826,492.60 × 85,547,232.40
  4. Step 4: Simplify right side
    327,884,328.40x = 42,074,395,262,929,088
  5. Step 5: Solve for x
    x = 42,074,395,262,929,088/327,884,328.40
  6. Step 6: Final answer
    x = 128,320,848.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.