Home / 1,152,023,089.84-1,589,796,077.76-623,387,080.12

Finding the Fourth Proportional to 1,152,023,089.84, 1,589,796,077.76 and 623,387,080.12

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Solution

The fourth proportional to 1,152,023,089.84, 1,589,796,077.76 and 623,387,080.12 is: 860,276,450.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,152,023,089.84 : 1,589,796,077.76 = 623,387,080.12 : x
  2. Step 2: Convert to fraction form
    1,152,023,089.84/1,589,796,077.76 = 623,387,080.12/x
  3. Step 3: Cross multiply
    1,152,023,089.84x = 1,589,796,077.76 × 623,387,080.12
  4. Step 4: Simplify right side
    1,152,023,089.84x = 991,058,334,901,034,880
  5. Step 5: Solve for x
    x = 991,058,334,901,034,880/1,152,023,089.84
  6. Step 6: Final answer
    x = 860,276,450.74

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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.