Home / 358,520,207.60-537,780,311.40-355,118,985.20

Finding the Fourth Proportional to 358,520,207.60, 537,780,311.40 and 355,118,985.20

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Solution

The fourth proportional to 358,520,207.60, 537,780,311.40 and 355,118,985.20 is: 532,678,477.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,520,207.60 : 537,780,311.40 = 355,118,985.20 : x
  2. Step 2: Convert to fraction form
    358,520,207.60/537,780,311.40 = 355,118,985.20/x
  3. Step 3: Cross multiply
    358,520,207.60x = 537,780,311.40 × 355,118,985.20
  4. Step 4: Simplify right side
    358,520,207.60x = 190,975,998,444,907,968
  5. Step 5: Solve for x
    x = 190,975,998,444,907,968/358,520,207.60
  6. Step 6: Final answer
    x = 532,678,477.80

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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.