Home / 563,292,034.85-777,389,543.84-312,477,292.35

Finding the Fourth Proportional to 563,292,034.85, 777,389,543.84 and 312,477,292.35

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Solution

The fourth proportional to 563,292,034.85, 777,389,543.84 and 312,477,292.35 is: 431,244,478.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,292,034.85 : 777,389,543.84 = 312,477,292.35 : x
  2. Step 2: Convert to fraction form
    563,292,034.85/777,389,543.84 = 312,477,292.35/x
  3. Step 3: Cross multiply
    563,292,034.85x = 777,389,543.84 × 312,477,292.35
  4. Step 4: Simplify right side
    563,292,034.85x = 242,916,579,761,106,016
  5. Step 5: Solve for x
    x = 242,916,579,761,106,016/563,292,034.85
  6. Step 6: Final answer
    x = 431,244,478.41

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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.