Home / 881,564,540.40-1,322,346,810.60-397,835,132.40

Finding the Fourth Proportional to 881,564,540.40, 1,322,346,810.60 and 397,835,132.40

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Solution

The fourth proportional to 881,564,540.40, 1,322,346,810.60 and 397,835,132.40 is: 596,752,698.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,564,540.40 : 1,322,346,810.60 = 397,835,132.40 : x
  2. Step 2: Convert to fraction form
    881,564,540.40/1,322,346,810.60 = 397,835,132.40/x
  3. Step 3: Cross multiply
    881,564,540.40x = 1,322,346,810.60 × 397,835,132.40
  4. Step 4: Simplify right side
    881,564,540.40x = 526,076,018,473,768,640
  5. Step 5: Solve for x
    x = 526,076,018,473,768,640/881,564,540.40
  6. Step 6: Final answer
    x = 596,752,698.60

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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.