Home / 1,508,155,005.36-2,262,209,743.80-678,522,788.64

Finding the Fourth Proportional to 1,508,155,005.36, 2,262,209,743.80 and 678,522,788.64

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Solution

The fourth proportional to 1,508,155,005.36, 2,262,209,743.80 and 678,522,788.64 is: 1,017,773,941.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,508,155,005.36 : 2,262,209,743.80 = 678,522,788.64 : x
  2. Step 2: Convert to fraction form
    1,508,155,005.36/2,262,209,743.80 = 678,522,788.64/x
  3. Step 3: Cross multiply
    1,508,155,005.36x = 2,262,209,743.80 × 678,522,788.64
  4. Step 4: Simplify right side
    1,508,155,005.36x = 1,534,960,863,851,756,032
  5. Step 5: Solve for x
    x = 1,534,960,863,851,756,032/1,508,155,005.36
  6. Step 6: Final answer
    x = 1,017,773,941.27

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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.