Home / 641,811,851.16-963,267,501.06-636,980,855.64

Finding the Fourth Proportional to 641,811,851.16, 963,267,501.06 and 636,980,855.64

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Solution

The fourth proportional to 641,811,851.16, 963,267,501.06 and 636,980,855.64 is: 956,016,869.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,811,851.16 : 963,267,501.06 = 636,980,855.64 : x
  2. Step 2: Convert to fraction form
    641,811,851.16/963,267,501.06 = 636,980,855.64/x
  3. Step 3: Cross multiply
    641,811,851.16x = 963,267,501.06 × 636,980,855.64
  4. Step 4: Simplify right side
    641,811,851.16x = 613,582,957,035,403,392
  5. Step 5: Solve for x
    x = 613,582,957,035,403,392/641,811,851.16
  6. Step 6: Final answer
    x = 956,016,869.94

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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.