Home / 388,610,820.52-583,077,349.50-170,148,403.24

Finding the Fourth Proportional to 388,610,820.52, 583,077,349.50 and 170,148,403.24

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Solution

The fourth proportional to 388,610,820.52, 583,077,349.50 and 170,148,403.24 is: 255,293,148.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,610,820.52 : 583,077,349.50 = 170,148,403.24 : x
  2. Step 2: Convert to fraction form
    388,610,820.52/583,077,349.50 = 170,148,403.24/x
  3. Step 3: Cross multiply
    388,610,820.52x = 583,077,349.50 × 170,148,403.24
  4. Step 4: Simplify right side
    388,610,820.52x = 99,209,679,980,740,672
  5. Step 5: Solve for x
    x = 99,209,679,980,740,672/388,610,820.52
  6. Step 6: Final answer
    x = 255,293,148.68

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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.