Home / 442,117,329.60-663,175,994.40-306,068,433.60

Finding the Fourth Proportional to 442,117,329.60, 663,175,994.40 and 306,068,433.60

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Solution

The fourth proportional to 442,117,329.60, 663,175,994.40 and 306,068,433.60 is: 459,102,650.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,117,329.60 : 663,175,994.40 = 306,068,433.60 : x
  2. Step 2: Convert to fraction form
    442,117,329.60/663,175,994.40 = 306,068,433.60/x
  3. Step 3: Cross multiply
    442,117,329.60x = 663,175,994.40 × 306,068,433.60
  4. Step 4: Simplify right side
    442,117,329.60x = 202,977,237,807,130,368
  5. Step 5: Solve for x
    x = 202,977,237,807,130,368/442,117,329.60
  6. Step 6: Final answer
    x = 459,102,650.40

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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.