Home / 1,364,259,120.69-2,047,302,778.58-478,947,109.90

Finding the Fourth Proportional to 1,364,259,120.69, 2,047,302,778.58 and 478,947,109.90

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Solution

The fourth proportional to 1,364,259,120.69, 2,047,302,778.58 and 478,947,109.90 is: 718,741,574.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,364,259,120.69 : 2,047,302,778.58 = 478,947,109.90 : x
  2. Step 2: Convert to fraction form
    1,364,259,120.69/2,047,302,778.58 = 478,947,109.90/x
  3. Step 3: Cross multiply
    1,364,259,120.69x = 2,047,302,778.58 × 478,947,109.90
  4. Step 4: Simplify right side
    1,364,259,120.69x = 980,549,748,891,130,496
  5. Step 5: Solve for x
    x = 980,549,748,891,130,496/1,364,259,120.69
  6. Step 6: Final answer
    x = 718,741,574.84

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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.