Home / 1,475,140,111.20-2,212,822,141.20-439,920,194.40

Finding the Fourth Proportional to 1,475,140,111.20, 2,212,822,141.20 and 439,920,194.40

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Solution

The fourth proportional to 1,475,140,111.20, 2,212,822,141.20 and 439,920,194.40 is: 659,913,684.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,475,140,111.20 : 2,212,822,141.20 = 439,920,194.40 : x
  2. Step 2: Convert to fraction form
    1,475,140,111.20/2,212,822,141.20 = 439,920,194.40/x
  3. Step 3: Cross multiply
    1,475,140,111.20x = 2,212,822,141.20 × 439,920,194.40
  4. Step 4: Simplify right side
    1,475,140,111.20x = 973,465,146,529,328,128
  5. Step 5: Solve for x
    x = 973,465,146,529,328,128/1,475,140,111.20
  6. Step 6: Final answer
    x = 659,913,684.90

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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.