Home / 563,292,035.85-777,389,545.22-312,477,293.35

Finding the Fourth Proportional to 563,292,035.85, 777,389,545.22 and 312,477,293.35

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Solution

The fourth proportional to 563,292,035.85, 777,389,545.22 and 312,477,293.35 is: 431,244,479.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,292,035.85 : 777,389,545.22 = 312,477,293.35 : x
  2. Step 2: Convert to fraction form
    563,292,035.85/777,389,545.22 = 312,477,293.35/x
  3. Step 3: Cross multiply
    563,292,035.85x = 777,389,545.22 × 312,477,293.35
  4. Step 4: Simplify right side
    563,292,035.85x = 242,916,580,968,933,056
  5. Step 5: Solve for x
    x = 242,916,580,968,933,056/563,292,035.85
  6. Step 6: Final answer
    x = 431,244,479.79

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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.