Home / 592,288,962.30-888,433,443.45-420,102,078.30

Finding the Fourth Proportional to 592,288,962.30, 888,433,443.45 and 420,102,078.30

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Solution

The fourth proportional to 592,288,962.30, 888,433,443.45 and 420,102,078.30 is: 630,153,117.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,288,962.30 : 888,433,443.45 = 420,102,078.30 : x
  2. Step 2: Convert to fraction form
    592,288,962.30/888,433,443.45 = 420,102,078.30/x
  3. Step 3: Cross multiply
    592,288,962.30x = 888,433,443.45 × 420,102,078.30
  4. Step 4: Simplify right side
    592,288,962.30x = 373,232,736,024,570,560
  5. Step 5: Solve for x
    x = 373,232,736,024,570,560/592,288,962.30
  6. Step 6: Final answer
    x = 630,153,117.45

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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.