Home / 1,932,091,809.40-2,898,137,714.10-478,069,233.40

Finding the Fourth Proportional to 1,932,091,809.40, 2,898,137,714.10 and 478,069,233.40

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Solution

The fourth proportional to 1,932,091,809.40, 2,898,137,714.10 and 478,069,233.40 is: 717,103,850.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,932,091,809.40 : 2,898,137,714.10 = 478,069,233.40 : x
  2. Step 2: Convert to fraction form
    1,932,091,809.40/2,898,137,714.10 = 478,069,233.40/x
  3. Step 3: Cross multiply
    1,932,091,809.40x = 2,898,137,714.10 × 478,069,233.40
  4. Step 4: Simplify right side
    1,932,091,809.40x = 1,385,510,475,267,415,296
  5. Step 5: Solve for x
    x = 1,385,510,475,267,415,296/1,932,091,809.40
  6. Step 6: Final answer
    x = 717,103,850.10

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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.