Home / 996,139,429.65-1,374,658,064.01-550,121,665.50

Finding the Fourth Proportional to 996,139,429.65, 1,374,658,064.01 and 550,121,665.50

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Solution

The fourth proportional to 996,139,429.65, 1,374,658,064.01 and 550,121,665.50 is: 759,159,974.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    996,139,429.65 : 1,374,658,064.01 = 550,121,665.50 : x
  2. Step 2: Convert to fraction form
    996,139,429.65/1,374,658,064.01 = 550,121,665.50/x
  3. Step 3: Cross multiply
    996,139,429.65x = 1,374,658,064.01 × 550,121,665.50
  4. Step 4: Simplify right side
    996,139,429.65x = 756,229,183,666,186,752
  5. Step 5: Solve for x
    x = 756,229,183,666,186,752/996,139,429.65
  6. Step 6: Final answer
    x = 759,159,974.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.