Home / 1,022,097,646.91-1,532,532,411.79-399,571,423.58

Finding the Fourth Proportional to 1,022,097,646.91, 1,532,532,411.79 and 399,571,423.58

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Solution

The fourth proportional to 1,022,097,646.91, 1,532,532,411.79 and 399,571,423.58 is: 599,117,079.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,022,097,646.91 : 1,532,532,411.79 = 399,571,423.58 : x
  2. Step 2: Convert to fraction form
    1,022,097,646.91/1,532,532,411.79 = 399,571,423.58/x
  3. Step 3: Cross multiply
    1,022,097,646.91x = 1,532,532,411.79 × 399,571,423.58
  4. Step 4: Simplify right side
    1,022,097,646.91x = 612,356,157,461,421,056
  5. Step 5: Solve for x
    x = 612,356,157,461,421,056/1,022,097,646.91
  6. Step 6: Final answer
    x = 599,117,079.77

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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.