Home / 1,395,459,031.70-1,925,646,695.25-768,892,396.34

Finding the Fourth Proportional to 1,395,459,031.70, 1,925,646,695.25 and 768,892,396.34

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Solution

The fourth proportional to 1,395,459,031.70, 1,925,646,695.25 and 768,892,396.34 is: 1,061,023,697.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,395,459,031.70 : 1,925,646,695.25 = 768,892,396.34 : x
  2. Step 2: Convert to fraction form
    1,395,459,031.70/1,925,646,695.25 = 768,892,396.34/x
  3. Step 3: Cross multiply
    1,395,459,031.70x = 1,925,646,695.25 × 768,892,396.34
  4. Step 4: Simplify right side
    1,395,459,031.70x = 1,480,615,102,014,974,208
  5. Step 5: Solve for x
    x = 1,480,615,102,014,974,208/1,395,459,031.70
  6. Step 6: Final answer
    x = 1,061,023,697.85

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1.5x scale

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.