Home / 601,870,977.20-902,806,465.80-510,037,972.40

Finding the Fourth Proportional to 601,870,977.20, 902,806,465.80 and 510,037,972.40

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Solution

The fourth proportional to 601,870,977.20, 902,806,465.80 and 510,037,972.40 is: 765,056,958.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    601,870,977.20 : 902,806,465.80 = 510,037,972.40 : x
  2. Step 2: Convert to fraction form
    601,870,977.20/902,806,465.80 = 510,037,972.40/x
  3. Step 3: Cross multiply
    601,870,977.20x = 902,806,465.80 × 510,037,972.40
  4. Step 4: Simplify right side
    601,870,977.20x = 460,465,579,286,241,920
  5. Step 5: Solve for x
    x = 460,465,579,286,241,920/601,870,977.20
  6. Step 6: Final answer
    x = 765,056,958.60

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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.