Home / 384,942,316.80-577,478,171.52-190,863,310.08

Finding the Fourth Proportional to 384,942,316.80, 577,478,171.52 and 190,863,310.08

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Solution

The fourth proportional to 384,942,316.80, 577,478,171.52 and 190,863,310.08 is: 286,327,043.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,942,316.80 : 577,478,171.52 = 190,863,310.08 : x
  2. Step 2: Convert to fraction form
    384,942,316.80/577,478,171.52 = 190,863,310.08/x
  3. Step 3: Cross multiply
    384,942,316.80x = 577,478,171.52 × 190,863,310.08
  4. Step 4: Simplify right side
    384,942,316.80x = 110,219,395,315,253,184
  5. Step 5: Solve for x
    x = 110,219,395,315,253,184/384,942,316.80
  6. Step 6: Final answer
    x = 286,327,043.05

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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.