Home / 1,148,704,199.78-1,723,557,482.20-402,255,721.88

Finding the Fourth Proportional to 1,148,704,199.78, 1,723,557,482.20 and 402,255,721.88

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Solution

The fourth proportional to 1,148,704,199.78, 1,723,557,482.20 and 402,255,721.88 is: 603,559,088.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,148,704,199.78 : 1,723,557,482.20 = 402,255,721.88 : x
  2. Step 2: Convert to fraction form
    1,148,704,199.78/1,723,557,482.20 = 402,255,721.88/x
  3. Step 3: Cross multiply
    1,148,704,199.78x = 1,723,557,482.20 × 402,255,721.88
  4. Step 4: Simplify right side
    1,148,704,199.78x = 693,310,859,206,333,824
  5. Step 5: Solve for x
    x = 693,310,859,206,333,824/1,148,704,199.78
  6. Step 6: Final answer
    x = 603,559,088.01

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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.