Home / 603,223,880.30-904,835,820.45-215,484,526.70

Finding the Fourth Proportional to 603,223,880.30, 904,835,820.45 and 215,484,526.70

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Solution

The fourth proportional to 603,223,880.30, 904,835,820.45 and 215,484,526.70 is: 323,226,790.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,223,880.30 : 904,835,820.45 = 215,484,526.70 : x
  2. Step 2: Convert to fraction form
    603,223,880.30/904,835,820.45 = 215,484,526.70/x
  3. Step 3: Cross multiply
    603,223,880.30x = 904,835,820.45 × 215,484,526.70
  4. Step 4: Simplify right side
    603,223,880.30x = 194,978,118,510,874,432
  5. Step 5: Solve for x
    x = 194,978,118,510,874,432/603,223,880.30
  6. Step 6: Final answer
    x = 323,226,790.05

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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.