Home / 14,405,349,051.52-19,878,954,729.60-7,975,455,599.68

Finding the Fourth Proportional to 14,405,349,051.52, 19,878,954,729.60 and 7,975,455,599.68

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Solution

The fourth proportional to 14,405,349,051.52, 19,878,954,729.60 and 7,975,455,599.68 is: 11,005,892,342.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,405,349,051.52 : 19,878,954,729.60 = 7,975,455,599.68 : x
  2. Step 2: Convert to fraction form
    14,405,349,051.52/19,878,954,729.60 = 7,975,455,599.68/x
  3. Step 3: Cross multiply
    14,405,349,051.52x = 19,878,954,729.60 × 7,975,455,599.68
  4. Step 4: Simplify right side
    14,405,349,051.52x = 158,543,720,813,973,536,768
  5. Step 5: Solve for x
    x = 158,543,720,813,973,536,768/14,405,349,051.52
  6. Step 6: Final answer
    x = 11,005,892,342.28

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Double scale
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1.5x scale

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.