Home / 1,279,477,206.60-1,919,215,809.90-835,617,683.40

Finding the Fourth Proportional to 1,279,477,206.60, 1,919,215,809.90 and 835,617,683.40

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Solution

The fourth proportional to 1,279,477,206.60, 1,919,215,809.90 and 835,617,683.40 is: 1,253,426,525.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,279,477,206.60 : 1,919,215,809.90 = 835,617,683.40 : x
  2. Step 2: Convert to fraction form
    1,279,477,206.60/1,919,215,809.90 = 835,617,683.40/x
  3. Step 3: Cross multiply
    1,279,477,206.60x = 1,919,215,809.90 × 835,617,683.40
  4. Step 4: Simplify right side
    1,279,477,206.60x = 1,603,730,669,013,292,800
  5. Step 5: Solve for x
    x = 1,603,730,669,013,292,800/1,279,477,206.60
  6. Step 6: Final answer
    x = 1,253,426,525.10

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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.