Home / 191,476,237,095.60-287,214,355,643.40-120,948,489,409.20

Finding the Fourth Proportional to 191,476,237,095.60, 287,214,355,643.40 and 120,948,489,409.20

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Solution

The fourth proportional to 191,476,237,095.60, 287,214,355,643.40 and 120,948,489,409.20 is: 181,422,734,113.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,476,237,095.60 : 287,214,355,643.40 = 120,948,489,409.20 : x
  2. Step 2: Convert to fraction form
    191,476,237,095.60/287,214,355,643.40 = 120,948,489,409.20/x
  3. Step 3: Cross multiply
    191,476,237,095.60x = 287,214,355,643.40 × 120,948,489,409.20
  4. Step 4: Simplify right side
    191,476,237,095.60x = 34,738,142,451,705,969,639,424
  5. Step 5: Solve for x
    x = 34,738,142,451,705,969,639,424/191,476,237,095.60
  6. Step 6: Final answer
    x = 181,422,734,113.80

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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.