Home / 502,190,390.43-753,300,643.14-415,429,325.64

Finding the Fourth Proportional to 502,190,390.43, 753,300,643.14 and 415,429,325.64

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Solution

The fourth proportional to 502,190,390.43, 753,300,643.14 and 415,429,325.64 is: 623,156,444.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,190,390.43 : 753,300,643.14 = 415,429,325.64 : x
  2. Step 2: Convert to fraction form
    502,190,390.43/753,300,643.14 = 415,429,325.64/x
  3. Step 3: Cross multiply
    502,190,390.43x = 753,300,643.14 × 415,429,325.64
  4. Step 4: Simplify right side
    502,190,390.43x = 312,943,178,183,828,480
  5. Step 5: Solve for x
    x = 312,943,178,183,828,480/502,190,390.43
  6. Step 6: Final answer
    x = 623,156,444.54

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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.