Home / 911,088,045.45-1,366,632,068.18-419,800,365.45

Finding the Fourth Proportional to 911,088,045.45, 1,366,632,068.18 and 419,800,365.45

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Solution

The fourth proportional to 911,088,045.45, 1,366,632,068.18 and 419,800,365.45 is: 629,700,548.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    911,088,045.45 : 1,366,632,068.18 = 419,800,365.45 : x
  2. Step 2: Convert to fraction form
    911,088,045.45/1,366,632,068.18 = 419,800,365.45/x
  3. Step 3: Cross multiply
    911,088,045.45x = 1,366,632,068.18 × 419,800,365.45
  4. Step 4: Simplify right side
    911,088,045.45x = 573,712,641,655,554,304
  5. Step 5: Solve for x
    x = 573,712,641,655,554,304/911,088,045.45
  6. Step 6: Final answer
    x = 629,700,548.18

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1.5x scale

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.