Home / 1,294,101,409.20-1,941,152,113.80-971,615,137.20

Finding the Fourth Proportional to 1,294,101,409.20, 1,941,152,113.80 and 971,615,137.20

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Solution

The fourth proportional to 1,294,101,409.20, 1,941,152,113.80 and 971,615,137.20 is: 1,457,422,705.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,294,101,409.20 : 1,941,152,113.80 = 971,615,137.20 : x
  2. Step 2: Convert to fraction form
    1,294,101,409.20/1,941,152,113.80 = 971,615,137.20/x
  3. Step 3: Cross multiply
    1,294,101,409.20x = 1,941,152,113.80 × 971,615,137.20
  4. Step 4: Simplify right side
    1,294,101,409.20x = 1,886,052,777,375,857,152
  5. Step 5: Solve for x
    x = 1,886,052,777,375,857,152/1,294,101,409.20
  6. Step 6: Final answer
    x = 1,457,422,705.80

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Double scale
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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.