Home / 651,727,285.20-977,590,927.80-242,730,291.60

Finding the Fourth Proportional to 651,727,285.20, 977,590,927.80 and 242,730,291.60

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Solution

The fourth proportional to 651,727,285.20, 977,590,927.80 and 242,730,291.60 is: 364,095,437.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,727,285.20 : 977,590,927.80 = 242,730,291.60 : x
  2. Step 2: Convert to fraction form
    651,727,285.20/977,590,927.80 = 242,730,291.60/x
  3. Step 3: Cross multiply
    651,727,285.20x = 977,590,927.80 × 242,730,291.60
  4. Step 4: Simplify right side
    651,727,285.20x = 237,290,930,970,408,544
  5. Step 5: Solve for x
    x = 237,290,930,970,408,544/651,727,285.20
  6. Step 6: Final answer
    x = 364,095,437.40

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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.