Home / 664,260,050.10-996,390,075.15-319,130,454.90

Finding the Fourth Proportional to 664,260,050.10, 996,390,075.15 and 319,130,454.90

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Solution

The fourth proportional to 664,260,050.10, 996,390,075.15 and 319,130,454.90 is: 478,695,682.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,260,050.10 : 996,390,075.15 = 319,130,454.90 : x
  2. Step 2: Convert to fraction form
    664,260,050.10/996,390,075.15 = 319,130,454.90/x
  3. Step 3: Cross multiply
    664,260,050.10x = 996,390,075.15 × 319,130,454.90
  4. Step 4: Simplify right side
    664,260,050.10x = 317,978,417,940,464,640
  5. Step 5: Solve for x
    x = 317,978,417,940,464,640/664,260,050.10
  6. Step 6: Final answer
    x = 478,695,682.35

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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.