Home / 614,547,602.20-921,821,403.30-543,520,512.55

Finding the Fourth Proportional to 614,547,602.20, 921,821,403.30 and 543,520,512.55

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Solution

The fourth proportional to 614,547,602.20, 921,821,403.30 and 543,520,512.55 is: 815,280,768.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,547,602.20 : 921,821,403.30 = 543,520,512.55 : x
  2. Step 2: Convert to fraction form
    614,547,602.20/921,821,403.30 = 543,520,512.55/x
  3. Step 3: Cross multiply
    614,547,602.20x = 921,821,403.30 × 543,520,512.55
  4. Step 4: Simplify right side
    614,547,602.20x = 501,028,841,601,176,192
  5. Step 5: Solve for x
    x = 501,028,841,601,176,192/614,547,602.20
  6. Step 6: Final answer
    x = 815,280,768.83

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1.5x scale

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.