Home / 937,298,279.40-1,405,947,419.10-785,377,012.20

Finding the Fourth Proportional to 937,298,279.40, 1,405,947,419.10 and 785,377,012.20

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Solution

The fourth proportional to 937,298,279.40, 1,405,947,419.10 and 785,377,012.20 is: 1,178,065,518.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    937,298,279.40 : 1,405,947,419.10 = 785,377,012.20 : x
  2. Step 2: Convert to fraction form
    937,298,279.40/1,405,947,419.10 = 785,377,012.20/x
  3. Step 3: Cross multiply
    937,298,279.40x = 1,405,947,419.10 × 785,377,012.20
  4. Step 4: Simplify right side
    937,298,279.40x = 1,104,198,783,323,059,200
  5. Step 5: Solve for x
    x = 1,104,198,783,323,059,200/937,298,279.40
  6. Step 6: Final answer
    x = 1,178,065,518.30

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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.