Home / 497,666,513.40-746,499,770.10-255,353,911.80

Finding the Fourth Proportional to 497,666,513.40, 746,499,770.10 and 255,353,911.80

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Solution

The fourth proportional to 497,666,513.40, 746,499,770.10 and 255,353,911.80 is: 383,030,867.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,666,513.40 : 746,499,770.10 = 255,353,911.80 : x
  2. Step 2: Convert to fraction form
    497,666,513.40/746,499,770.10 = 255,353,911.80/x
  3. Step 3: Cross multiply
    497,666,513.40x = 746,499,770.10 × 255,353,911.80
  4. Step 4: Simplify right side
    497,666,513.40x = 190,621,636,452,835,680
  5. Step 5: Solve for x
    x = 190,621,636,452,835,680/497,666,513.40
  6. Step 6: Final answer
    x = 383,030,867.70

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1.5x scale

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.