Home / 592,289,140.80-888,433,711.20-420,102,256.80

Finding the Fourth Proportional to 592,289,140.80, 888,433,711.20 and 420,102,256.80

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Solution

The fourth proportional to 592,289,140.80, 888,433,711.20 and 420,102,256.80 is: 630,153,385.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,289,140.80 : 888,433,711.20 = 420,102,256.80 : x
  2. Step 2: Convert to fraction form
    592,289,140.80/888,433,711.20 = 420,102,256.80/x
  3. Step 3: Cross multiply
    592,289,140.80x = 888,433,711.20 × 420,102,256.80
  4. Step 4: Simplify right side
    592,289,140.80x = 373,233,007,092,319,488
  5. Step 5: Solve for x
    x = 373,233,007,092,319,488/592,289,140.80
  6. Step 6: Final answer
    x = 630,153,385.20

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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.