Home / 1,121,689,063.60-1,682,533,595.40-930,586,087.60

Finding the Fourth Proportional to 1,121,689,063.60, 1,682,533,595.40 and 930,586,087.60

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Solution

The fourth proportional to 1,121,689,063.60, 1,682,533,595.40 and 930,586,087.60 is: 1,395,879,131.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,121,689,063.60 : 1,682,533,595.40 = 930,586,087.60 : x
  2. Step 2: Convert to fraction form
    1,121,689,063.60/1,682,533,595.40 = 930,586,087.60/x
  3. Step 3: Cross multiply
    1,121,689,063.60x = 1,682,533,595.40 × 930,586,087.60
  4. Step 4: Simplify right side
    1,121,689,063.60x = 1,565,742,355,798,847,488
  5. Step 5: Solve for x
    x = 1,565,742,355,798,847,488/1,121,689,063.60
  6. Step 6: Final answer
    x = 1,395,879,131.40

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Double scale
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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.