Home / 839,542,566.29-1,158,572,766.65-463,199,133.87

Finding the Fourth Proportional to 839,542,566.29, 1,158,572,766.65 and 463,199,133.87

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Solution

The fourth proportional to 839,542,566.29, 1,158,572,766.65 and 463,199,133.87 is: 639,217,025.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,542,566.29 : 1,158,572,766.65 = 463,199,133.87 : x
  2. Step 2: Convert to fraction form
    839,542,566.29/1,158,572,766.65 = 463,199,133.87/x
  3. Step 3: Cross multiply
    839,542,566.29x = 1,158,572,766.65 × 463,199,133.87
  4. Step 4: Simplify right side
    839,542,566.29x = 536,649,902,035,333,632
  5. Step 5: Solve for x
    x = 536,649,902,035,333,632/839,542,566.29
  6. Step 6: Final answer
    x = 639,217,025.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.