Home / 1,094,674,089.20-1,639,721,879.40-512,904,873.20

Finding the Fourth Proportional to 1,094,674,089.20, 1,639,721,879.40 and 512,904,873.20

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Solution

The fourth proportional to 1,094,674,089.20, 1,639,721,879.40 and 512,904,873.20 is: 768,284,689.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,094,674,089.20 : 1,639,721,879.40 = 512,904,873.20 : x
  2. Step 2: Convert to fraction form
    1,094,674,089.20/1,639,721,879.40 = 512,904,873.20/x
  3. Step 3: Cross multiply
    1,094,674,089.20x = 1,639,721,879.40 × 512,904,873.20
  4. Step 4: Simplify right side
    1,094,674,089.20x = 841,021,342,636,922,752
  5. Step 5: Solve for x
    x = 841,021,342,636,922,752/1,094,674,089.20
  6. Step 6: Final answer
    x = 768,284,689.42

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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.