Home / 4,287,140,432.16-6,429,997,385.30-1,298,492,956.98

Finding the Fourth Proportional to 4,287,140,432.16, 6,429,997,385.30 and 1,298,492,956.98

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Solution

The fourth proportional to 4,287,140,432.16, 6,429,997,385.30 and 1,298,492,956.98 is: 1,947,523,401.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,287,140,432.16 : 6,429,997,385.30 = 1,298,492,956.98 : x
  2. Step 2: Convert to fraction form
    4,287,140,432.16/6,429,997,385.30 = 1,298,492,956.98/x
  3. Step 3: Cross multiply
    4,287,140,432.16x = 6,429,997,385.30 × 1,298,492,956.98
  4. Step 4: Simplify right side
    4,287,140,432.16x = 8,349,306,318,215,111,680
  5. Step 5: Solve for x
    x = 8,349,306,318,215,111,680/4,287,140,432.16
  6. Step 6: Final answer
    x = 1,947,523,401.75

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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.