Home / 620,865,005.10-930,943,213.65-232,700,498.70

Finding the Fourth Proportional to 620,865,005.10, 930,943,213.65 and 232,700,498.70

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Solution

The fourth proportional to 620,865,005.10, 930,943,213.65 and 232,700,498.70 is: 348,917,958.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,865,005.10 : 930,943,213.65 = 232,700,498.70 : x
  2. Step 2: Convert to fraction form
    620,865,005.10/930,943,213.65 = 232,700,498.70/x
  3. Step 3: Cross multiply
    620,865,005.10x = 930,943,213.65 × 232,700,498.70
  4. Step 4: Simplify right side
    620,865,005.10x = 216,630,950,077,735,616
  5. Step 5: Solve for x
    x = 216,630,950,077,735,616/620,865,005.10
  6. Step 6: Final answer
    x = 348,917,958.49

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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.