Home / 613,835,452.02-921,408,634.08-264,254,547.18

Finding the Fourth Proportional to 613,835,452.02, 921,408,634.08 and 264,254,547.18

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Solution

The fourth proportional to 613,835,452.02, 921,408,634.08 and 264,254,547.18 is: 396,663,992.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,835,452.02 : 921,408,634.08 = 264,254,547.18 : x
  2. Step 2: Convert to fraction form
    613,835,452.02/921,408,634.08 = 264,254,547.18/x
  3. Step 3: Cross multiply
    613,835,452.02x = 921,408,634.08 × 264,254,547.18
  4. Step 4: Simplify right side
    613,835,452.02x = 243,486,421,366,552,736
  5. Step 5: Solve for x
    x = 243,486,421,366,552,736/613,835,452.02
  6. Step 6: Final answer
    x = 396,663,992.88

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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.