Home / 320,482,830.90-480,724,246.35-298,983,746.10

Finding the Fourth Proportional to 320,482,830.90, 480,724,246.35 and 298,983,746.10

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Solution

The fourth proportional to 320,482,830.90, 480,724,246.35 and 298,983,746.10 is: 448,475,619.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,482,830.90 : 480,724,246.35 = 298,983,746.10 : x
  2. Step 2: Convert to fraction form
    320,482,830.90/480,724,246.35 = 298,983,746.10/x
  3. Step 3: Cross multiply
    320,482,830.90x = 480,724,246.35 × 298,983,746.10
  4. Step 4: Simplify right side
    320,482,830.90x = 143,728,736,014,822,272
  5. Step 5: Solve for x
    x = 143,728,736,014,822,272/320,482,830.90
  6. Step 6: Final answer
    x = 448,475,619.15

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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.