Home / 577,213,234.40-865,735,870.80-168,226,738.40

Finding the Fourth Proportional to 577,213,234.40, 865,735,870.80 and 168,226,738.40

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Solution

The fourth proportional to 577,213,234.40, 865,735,870.80 and 168,226,738.40 is: 252,315,631.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,213,234.40 : 865,735,870.80 = 168,226,738.40 : x
  2. Step 2: Convert to fraction form
    577,213,234.40/865,735,870.80 = 168,226,738.40/x
  3. Step 3: Cross multiply
    577,213,234.40x = 865,735,870.80 × 168,226,738.40
  4. Step 4: Simplify right side
    577,213,234.40x = 145,639,921,860,567,808
  5. Step 5: Solve for x
    x = 145,639,921,860,567,808/577,213,234.40
  6. Step 6: Final answer
    x = 252,315,631.70

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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.