Home / 21,400,641,012.40-32,100,961,518.60-15,492,717,703.60

Finding the Fourth Proportional to 21,400,641,012.40, 32,100,961,518.60 and 15,492,717,703.60

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Solution

The fourth proportional to 21,400,641,012.40, 32,100,961,518.60 and 15,492,717,703.60 is: 23,239,076,555.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,400,641,012.40 : 32,100,961,518.60 = 15,492,717,703.60 : x
  2. Step 2: Convert to fraction form
    21,400,641,012.40/32,100,961,518.60 = 15,492,717,703.60/x
  3. Step 3: Cross multiply
    21,400,641,012.40x = 32,100,961,518.60 × 15,492,717,703.60
  4. Step 4: Simplify right side
    21,400,641,012.40x = 497,331,134,821,796,544,512
  5. Step 5: Solve for x
    x = 497,331,134,821,796,544,512/21,400,641,012.40
  6. Step 6: Final answer
    x = 23,239,076,555.40

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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.