Home / 543,830,458.85-815,164,905.70-310,158,017.19

Finding the Fourth Proportional to 543,830,458.85, 815,164,905.70 and 310,158,017.19

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Solution

The fourth proportional to 543,830,458.85, 815,164,905.70 and 310,158,017.19 is: 464,905,793.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,830,458.85 : 815,164,905.70 = 310,158,017.19 : x
  2. Step 2: Convert to fraction form
    543,830,458.85/815,164,905.70 = 310,158,017.19/x
  3. Step 3: Cross multiply
    543,830,458.85x = 815,164,905.70 × 310,158,017.19
  4. Step 4: Simplify right side
    543,830,458.85x = 252,829,930,835,173,024
  5. Step 5: Solve for x
    x = 252,829,930,835,173,024/543,830,458.85
  6. Step 6: Final answer
    x = 464,905,793.20

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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.