Home / 983,069,328.94-1,474,616,772.12-328,020,355.20

Finding the Fourth Proportional to 983,069,328.94, 1,474,616,772.12 and 328,020,355.20

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Solution

The fourth proportional to 983,069,328.94, 1,474,616,772.12 and 328,020,355.20 is: 492,034,796.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    983,069,328.94 : 1,474,616,772.12 = 328,020,355.20 : x
  2. Step 2: Convert to fraction form
    983,069,328.94/1,474,616,772.12 = 328,020,355.20/x
  3. Step 3: Cross multiply
    983,069,328.94x = 1,474,616,772.12 × 328,020,355.20
  4. Step 4: Simplify right side
    983,069,328.94x = 483,704,317,374,679,808
  5. Step 5: Solve for x
    x = 483,704,317,374,679,808/983,069,328.94
  6. Step 6: Final answer
    x = 492,034,796.67

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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.