Home / 970,109,907.40-1,455,177,302.70-323,877,651.40

Finding the Fourth Proportional to 970,109,907.40, 1,455,177,302.70 and 323,877,651.40

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Solution

The fourth proportional to 970,109,907.40, 1,455,177,302.70 and 323,877,651.40 is: 485,820,630.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,109,907.40 : 1,455,177,302.70 = 323,877,651.40 : x
  2. Step 2: Convert to fraction form
    970,109,907.40/1,455,177,302.70 = 323,877,651.40/x
  3. Step 3: Cross multiply
    970,109,907.40x = 1,455,177,302.70 × 323,877,651.40
  4. Step 4: Simplify right side
    970,109,907.40x = 471,299,407,169,062,848
  5. Step 5: Solve for x
    x = 471,299,407,169,062,848/970,109,907.40
  6. Step 6: Final answer
    x = 485,820,630.81

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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.