Home / 1,302,950,454.80-1,954,709,117.40-429,403,168.40

Finding the Fourth Proportional to 1,302,950,454.80, 1,954,709,117.40 and 429,403,168.40

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Solution

The fourth proportional to 1,302,950,454.80, 1,954,709,117.40 and 429,403,168.40 is: 644,198,162.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,302,950,454.80 : 1,954,709,117.40 = 429,403,168.40 : x
  2. Step 2: Convert to fraction form
    1,302,950,454.80/1,954,709,117.40 = 429,403,168.40/x
  3. Step 3: Cross multiply
    1,302,950,454.80x = 1,954,709,117.40 × 429,403,168.40
  4. Step 4: Simplify right side
    1,302,950,454.80x = 839,358,288,311,927,552
  5. Step 5: Solve for x
    x = 839,358,288,311,927,552/1,302,950,454.80
  6. Step 6: Final answer
    x = 644,198,162.12

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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.