Home / 875,612,619.20-1,312,552,624.80-414,740,734.40

Finding the Fourth Proportional to 875,612,619.20, 1,312,552,624.80 and 414,740,734.40

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Solution

The fourth proportional to 875,612,619.20, 1,312,552,624.80 and 414,740,734.40 is: 621,700,769.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,612,619.20 : 1,312,552,624.80 = 414,740,734.40 : x
  2. Step 2: Convert to fraction form
    875,612,619.20/1,312,552,624.80 = 414,740,734.40/x
  3. Step 3: Cross multiply
    875,612,619.20x = 1,312,552,624.80 × 414,740,734.40
  4. Step 4: Simplify right side
    875,612,619.20x = 544,369,039,548,199,616
  5. Step 5: Solve for x
    x = 544,369,039,548,199,616/875,612,619.20
  6. Step 6: Final answer
    x = 621,700,769.97

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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.