Home / 828,952,068.60-1,243,428,102.90-441,531,579.60

Finding the Fourth Proportional to 828,952,068.60, 1,243,428,102.90 and 441,531,579.60

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Solution

The fourth proportional to 828,952,068.60, 1,243,428,102.90 and 441,531,579.60 is: 662,297,369.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,952,068.60 : 1,243,428,102.90 = 441,531,579.60 : x
  2. Step 2: Convert to fraction form
    828,952,068.60/1,243,428,102.90 = 441,531,579.60/x
  3. Step 3: Cross multiply
    828,952,068.60x = 1,243,428,102.90 × 441,531,579.60
  4. Step 4: Simplify right side
    828,952,068.60x = 549,012,774,392,468,416
  5. Step 5: Solve for x
    x = 549,012,774,392,468,416/828,952,068.60
  6. Step 6: Final answer
    x = 662,297,369.40

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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.