Home / 647,035,235.70-970,552,853.55-429,357,002.10

Finding the Fourth Proportional to 647,035,235.70, 970,552,853.55 and 429,357,002.10

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Solution

The fourth proportional to 647,035,235.70, 970,552,853.55 and 429,357,002.10 is: 644,035,503.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,035,235.70 : 970,552,853.55 = 429,357,002.10 : x
  2. Step 2: Convert to fraction form
    647,035,235.70/970,552,853.55 = 429,357,002.10/x
  3. Step 3: Cross multiply
    647,035,235.70x = 970,552,853.55 × 429,357,002.10
  4. Step 4: Simplify right side
    647,035,235.70x = 416,713,663,579,828,352
  5. Step 5: Solve for x
    x = 416,713,663,579,828,352/647,035,235.70
  6. Step 6: Final answer
    x = 644,035,503.15

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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.