Home / 970,110,820.40-1,455,178,672.20-323,878,564.40

Finding the Fourth Proportional to 970,110,820.40, 1,455,178,672.20 and 323,878,564.40

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Solution

The fourth proportional to 970,110,820.40, 1,455,178,672.20 and 323,878,564.40 is: 485,822,000.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,110,820.40 : 1,455,178,672.20 = 323,878,564.40 : x
  2. Step 2: Convert to fraction form
    970,110,820.40/1,455,178,672.20 = 323,878,564.40/x
  3. Step 3: Cross multiply
    970,110,820.40x = 1,455,178,672.20 × 323,878,564.40
  4. Step 4: Simplify right side
    970,110,820.40x = 471,301,179,297,634,176
  5. Step 5: Solve for x
    x = 471,301,179,297,634,176/970,110,820.40
  6. Step 6: Final answer
    x = 485,822,000.32

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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.