Home / 524,918,691.60-724,393,873.08-289,964,484.24

Finding the Fourth Proportional to 524,918,691.60, 724,393,873.08 and 289,964,484.24

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Solution

The fourth proportional to 524,918,691.60, 724,393,873.08 and 289,964,484.24 is: 400,154,346.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,918,691.60 : 724,393,873.08 = 289,964,484.24 : x
  2. Step 2: Convert to fraction form
    524,918,691.60/724,393,873.08 = 289,964,484.24/x
  3. Step 3: Cross multiply
    524,918,691.60x = 724,393,873.08 × 289,964,484.24
  4. Step 4: Simplify right side
    524,918,691.60x = 210,048,495,794,258,240
  5. Step 5: Solve for x
    x = 210,048,495,794,258,240/524,918,691.60
  6. Step 6: Final answer
    x = 400,154,346.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.