Home / 804,817,815.60-1,207,226,723.40-668,768,919.60

Finding the Fourth Proportional to 804,817,815.60, 1,207,226,723.40 and 668,768,919.60

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Solution

The fourth proportional to 804,817,815.60, 1,207,226,723.40 and 668,768,919.60 is: 1,003,153,379.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,817,815.60 : 1,207,226,723.40 = 668,768,919.60 : x
  2. Step 2: Convert to fraction form
    804,817,815.60/1,207,226,723.40 = 668,768,919.60/x
  3. Step 3: Cross multiply
    804,817,815.60x = 1,207,226,723.40 × 668,768,919.60
  4. Step 4: Simplify right side
    804,817,815.60x = 807,355,711,520,466,176
  5. Step 5: Solve for x
    x = 807,355,711,520,466,176/804,817,815.60
  6. Step 6: Final answer
    x = 1,003,153,379.40

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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.