Home / 1,279,477,212.10-1,919,215,818.15-835,617,688.90

Finding the Fourth Proportional to 1,279,477,212.10, 1,919,215,818.15 and 835,617,688.90

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Solution

The fourth proportional to 1,279,477,212.10, 1,919,215,818.15 and 835,617,688.90 is: 1,253,426,533.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,279,477,212.10 : 1,919,215,818.15 = 835,617,688.90 : x
  2. Step 2: Convert to fraction form
    1,279,477,212.10/1,919,215,818.15 = 835,617,688.90/x
  3. Step 3: Cross multiply
    1,279,477,212.10x = 1,919,215,818.15 × 835,617,688.90
  4. Step 4: Simplify right side
    1,279,477,212.10x = 1,603,730,686,462,825,728
  5. Step 5: Solve for x
    x = 1,603,730,686,462,825,728/1,279,477,212.10
  6. Step 6: Final answer
    x = 1,253,426,533.35

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1.5x scale

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.