Home / 79,574,379,011.87-109,862,201,555.15-50,654,886,372.95

Finding the Fourth Proportional to 79,574,379,011.87, 109,862,201,555.15 and 50,654,886,372.95

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Solution

The fourth proportional to 79,574,379,011.87, 109,862,201,555.15 and 50,654,886,372.95 is: 69,935,290,800.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,574,379,011.87 : 109,862,201,555.15 = 50,654,886,372.95 : x
  2. Step 2: Convert to fraction form
    79,574,379,011.87/109,862,201,555.15 = 50,654,886,372.95/x
  3. Step 3: Cross multiply
    79,574,379,011.87x = 109,862,201,555.15 × 50,654,886,372.95
  4. Step 4: Simplify right side
    79,574,379,011.87x = 5,565,057,336,457,704,767,488
  5. Step 5: Solve for x
    x = 5,565,057,336,457,704,767,488/79,574,379,011.87
  6. Step 6: Final answer
    x = 69,935,290,800.42

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1.5x scale

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.