Home / 1,152,018,438.90-1,589,788,209.18-623,388,097.50

Finding the Fourth Proportional to 1,152,018,438.90, 1,589,788,209.18 and 623,388,097.50

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Solution

The fourth proportional to 1,152,018,438.90, 1,589,788,209.18 and 623,388,097.50 is: 860,277,069.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,152,018,438.90 : 1,589,788,209.18 = 623,388,097.50 : x
  2. Step 2: Convert to fraction form
    1,152,018,438.90/1,589,788,209.18 = 623,388,097.50/x
  3. Step 3: Cross multiply
    1,152,018,438.90x = 1,589,788,209.18 × 623,388,097.50
  4. Step 4: Simplify right side
    1,152,018,438.90x = 991,055,047,148,652,288
  5. Step 5: Solve for x
    x = 991,055,047,148,652,288/1,152,018,438.90
  6. Step 6: Final answer
    x = 860,277,069.95

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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.