Home / 1,049,009,689.87-1,447,595,421.48-579,100,920.84

Finding the Fourth Proportional to 1,049,009,689.87, 1,447,595,421.48 and 579,100,920.84

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Solution

The fourth proportional to 1,049,009,689.87, 1,447,595,421.48 and 579,100,920.84 is: 799,138,320.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,049,009,689.87 : 1,447,595,421.48 = 579,100,920.84 : x
  2. Step 2: Convert to fraction form
    1,049,009,689.87/1,447,595,421.48 = 579,100,920.84/x
  3. Step 3: Cross multiply
    1,049,009,689.87x = 1,447,595,421.48 × 579,100,920.84
  4. Step 4: Simplify right side
    1,049,009,689.87x = 838,303,841,582,835,968
  5. Step 5: Solve for x
    x = 838,303,841,582,835,968/1,049,009,689.87
  6. Step 6: Final answer
    x = 799,138,320.34

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Double scale
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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.