Home / 1,353,144,379.77-1,867,390,573.41-758,439,855.81

Finding the Fourth Proportional to 1,353,144,379.77, 1,867,390,573.41 and 758,439,855.81

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Solution

The fourth proportional to 1,353,144,379.77, 1,867,390,573.41 and 758,439,855.81 is: 1,046,675,771.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,353,144,379.77 : 1,867,390,573.41 = 758,439,855.81 : x
  2. Step 2: Convert to fraction form
    1,353,144,379.77/1,867,390,573.41 = 758,439,855.81/x
  3. Step 3: Cross multiply
    1,353,144,379.77x = 1,867,390,573.41 × 758,439,855.81
  4. Step 4: Simplify right side
    1,353,144,379.77x = 1,416,303,437,238,183,168
  5. Step 5: Solve for x
    x = 1,416,303,437,238,183,168/1,353,144,379.77
  6. Step 6: Final answer
    x = 1,046,675,771.20

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Half scale
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Double scale
Find fourth proportional to 1,353,144,380.77, 1,867,390,574.79 and 758,439,856.81
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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.