Home / 445,828,025.30-615,168,855.46-257,673,840.10

Finding the Fourth Proportional to 445,828,025.30, 615,168,855.46 and 257,673,840.10

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Solution

The fourth proportional to 445,828,025.30, 615,168,855.46 and 257,673,840.10 is: 355,547,234.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,828,025.30 : 615,168,855.46 = 257,673,840.10 : x
  2. Step 2: Convert to fraction form
    445,828,025.30/615,168,855.46 = 257,673,840.10/x
  3. Step 3: Cross multiply
    445,828,025.30x = 615,168,855.46 × 257,673,840.10
  4. Step 4: Simplify right side
    445,828,025.30x = 158,512,921,296,300,064
  5. Step 5: Solve for x
    x = 158,512,921,296,300,064/445,828,025.30
  6. Step 6: Final answer
    x = 355,547,234.14

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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.