Home / 1,260,115,543.80-1,890,173,315.70-1,183,525,054.20

Finding the Fourth Proportional to 1,260,115,543.80, 1,890,173,315.70 and 1,183,525,054.20

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Solution

The fourth proportional to 1,260,115,543.80, 1,890,173,315.70 and 1,183,525,054.20 is: 1,775,287,581.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260,115,543.80 : 1,890,173,315.70 = 1,183,525,054.20 : x
  2. Step 2: Convert to fraction form
    1,260,115,543.80/1,890,173,315.70 = 1,183,525,054.20/x
  3. Step 3: Cross multiply
    1,260,115,543.80x = 1,890,173,315.70 × 1,183,525,054.20
  4. Step 4: Simplify right side
    1,260,115,543.80x = 2,237,067,475,911,236,352
  5. Step 5: Solve for x
    x = 2,237,067,475,911,236,352/1,260,115,543.80
  6. Step 6: Final answer
    x = 1,775,287,581.30

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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.