Home / 1,530,709,802.55-2,111,251,747.05-1,154,382,249.78

Finding the Fourth Proportional to 1,530,709,802.55, 2,111,251,747.05 and 1,154,382,249.78

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Solution

The fourth proportional to 1,530,709,802.55, 2,111,251,747.05 and 1,154,382,249.78 is: 1,592,196,990.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,530,709,802.55 : 2,111,251,747.05 = 1,154,382,249.78 : x
  2. Step 2: Convert to fraction form
    1,530,709,802.55/2,111,251,747.05 = 1,154,382,249.78/x
  3. Step 3: Cross multiply
    1,530,709,802.55x = 2,111,251,747.05 × 1,154,382,249.78
  4. Step 4: Simplify right side
    1,530,709,802.55x = 2,437,191,541,611,534,336
  5. Step 5: Solve for x
    x = 2,437,191,541,611,534,336/1,530,709,802.55
  6. Step 6: Final answer
    x = 1,592,196,990.93

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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.