Home / 917,597,313.40-1,376,395,970.10-825,764,308.60

Finding the Fourth Proportional to 917,597,313.40, 1,376,395,970.10 and 825,764,308.60

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Solution

The fourth proportional to 917,597,313.40, 1,376,395,970.10 and 825,764,308.60 is: 1,238,646,462.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,597,313.40 : 1,376,395,970.10 = 825,764,308.60 : x
  2. Step 2: Convert to fraction form
    917,597,313.40/1,376,395,970.10 = 825,764,308.60/x
  3. Step 3: Cross multiply
    917,597,313.40x = 1,376,395,970.10 × 825,764,308.60
  4. Step 4: Simplify right side
    917,597,313.40x = 1,136,578,666,609,452,672
  5. Step 5: Solve for x
    x = 1,136,578,666,609,452,672/917,597,313.40
  6. Step 6: Final answer
    x = 1,238,646,462.90

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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.