Home / 448,045,342.60-672,068,013.90-357,346,078.60

Finding the Fourth Proportional to 448,045,342.60, 672,068,013.90 and 357,346,078.60

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Solution

The fourth proportional to 448,045,342.60, 672,068,013.90 and 357,346,078.60 is: 536,019,117.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,045,342.60 : 672,068,013.90 = 357,346,078.60 : x
  2. Step 2: Convert to fraction form
    448,045,342.60/672,068,013.90 = 357,346,078.60/x
  3. Step 3: Cross multiply
    448,045,342.60x = 672,068,013.90 × 357,346,078.60
  4. Step 4: Simplify right side
    448,045,342.60x = 240,160,869,319,655,296
  5. Step 5: Solve for x
    x = 240,160,869,319,655,296/448,045,342.60
  6. Step 6: Final answer
    x = 536,019,117.90

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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.