Home / 1,252,930,579.40-1,879,395,869.10-527,336,467.40

Finding the Fourth Proportional to 1,252,930,579.40, 1,879,395,869.10 and 527,336,467.40

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Solution

The fourth proportional to 1,252,930,579.40, 1,879,395,869.10 and 527,336,467.40 is: 791,004,701.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,252,930,579.40 : 1,879,395,869.10 = 527,336,467.40 : x
  2. Step 2: Convert to fraction form
    1,252,930,579.40/1,879,395,869.10 = 527,336,467.40/x
  3. Step 3: Cross multiply
    1,252,930,579.40x = 1,879,395,869.10 × 527,336,467.40
  4. Step 4: Simplify right side
    1,252,930,579.40x = 991,073,978,457,346,688
  5. Step 5: Solve for x
    x = 991,073,978,457,346,688/1,252,930,579.40
  6. Step 6: Final answer
    x = 791,004,701.10

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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.