Home / 996,028,030.55-1,374,639,869.76-578,340,303.55

Finding the Fourth Proportional to 996,028,030.55, 1,374,639,869.76 and 578,340,303.55

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Solution

The fourth proportional to 996,028,030.55, 1,374,639,869.76 and 578,340,303.55 is: 798,179,986.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    996,028,030.55 : 1,374,639,869.76 = 578,340,303.55 : x
  2. Step 2: Convert to fraction form
    996,028,030.55/1,374,639,869.76 = 578,340,303.55/x
  3. Step 3: Cross multiply
    996,028,030.55x = 1,374,639,869.76 × 578,340,303.55
  4. Step 4: Simplify right side
    996,028,030.55x = 795,009,639,543,296,640
  5. Step 5: Solve for x
    x = 795,009,639,543,296,640/996,028,030.55
  6. Step 6: Final answer
    x = 798,179,986.06

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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.