Home / 612,904,746.96-919,331,401.32-285,267,565.08

Finding the Fourth Proportional to 612,904,746.96, 919,331,401.32 and 285,267,565.08

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Solution

The fourth proportional to 612,904,746.96, 919,331,401.32 and 285,267,565.08 is: 427,889,377.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,904,746.96 : 919,331,401.32 = 285,267,565.08 : x
  2. Step 2: Convert to fraction form
    612,904,746.96/919,331,401.32 = 285,267,565.08/x
  3. Step 3: Cross multiply
    612,904,746.96x = 919,331,401.32 × 285,267,565.08
  4. Step 4: Simplify right side
    612,904,746.96x = 262,255,430,356,140,704
  5. Step 5: Solve for x
    x = 262,255,430,356,140,704/612,904,746.96
  6. Step 6: Final answer
    x = 427,889,377.03

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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.