Home / 9,629,851,933.40-13,242,070,925.28-8,357,483,947.21

Finding the Fourth Proportional to 9,629,851,933.40, 13,242,070,925.28 and 8,357,483,947.21

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Solution

The fourth proportional to 9,629,851,933.40, 13,242,070,925.28 and 8,357,483,947.21 is: 11,492,429,577.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,629,851,933.40 : 13,242,070,925.28 = 8,357,483,947.21 : x
  2. Step 2: Convert to fraction form
    9,629,851,933.40/13,242,070,925.28 = 8,357,483,947.21/x
  3. Step 3: Cross multiply
    9,629,851,933.40x = 13,242,070,925.28 × 8,357,483,947.21
  4. Step 4: Simplify right side
    9,629,851,933.40x = 110,670,395,185,843,879,936
  5. Step 5: Solve for x
    x = 110,670,395,185,843,879,936/9,629,851,933.40
  6. Step 6: Final answer
    x = 11,492,429,577.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.