Home / 613,957,636.19-920,837,547.12-171,311,766.77

Finding the Fourth Proportional to 613,957,636.19, 920,837,547.12 and 171,311,766.77

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Solution

The fourth proportional to 613,957,636.19, 920,837,547.12 and 171,311,766.77 is: 256,940,052.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,957,636.19 : 920,837,547.12 = 171,311,766.77 : x
  2. Step 2: Convert to fraction form
    613,957,636.19/920,837,547.12 = 171,311,766.77/x
  3. Step 3: Cross multiply
    613,957,636.19x = 920,837,547.12 × 171,311,766.77
  4. Step 4: Simplify right side
    613,957,636.19x = 157,750,307,105,280,320
  5. Step 5: Solve for x
    x = 157,750,307,105,280,320/613,957,636.19
  6. Step 6: Final answer
    x = 256,940,052.22

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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.