Home / 430,544,104.19-645,291,487.47-223,168,186.53

Finding the Fourth Proportional to 430,544,104.19, 645,291,487.47 and 223,168,186.53

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Solution

The fourth proportional to 430,544,104.19, 645,291,487.47 and 223,168,186.53 is: 334,480,323.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,544,104.19 : 645,291,487.47 = 223,168,186.53 : x
  2. Step 2: Convert to fraction form
    430,544,104.19/645,291,487.47 = 223,168,186.53/x
  3. Step 3: Cross multiply
    430,544,104.19x = 645,291,487.47 × 223,168,186.53
  4. Step 4: Simplify right side
    430,544,104.19x = 144,008,531,042,762,992
  5. Step 5: Solve for x
    x = 144,008,531,042,762,992/430,544,104.19
  6. Step 6: Final answer
    x = 334,480,323.01

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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.