Home / 1,435,347,777.92-1,980,780,692.64-775,298,054.72

Finding the Fourth Proportional to 1,435,347,777.92, 1,980,780,692.64 and 775,298,054.72

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Solution

The fourth proportional to 1,435,347,777.92, 1,980,780,692.64 and 775,298,054.72 is: 1,069,911,725.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,435,347,777.92 : 1,980,780,692.64 = 775,298,054.72 : x
  2. Step 2: Convert to fraction form
    1,435,347,777.92/1,980,780,692.64 = 775,298,054.72/x
  3. Step 3: Cross multiply
    1,435,347,777.92x = 1,980,780,692.64 × 775,298,054.72
  4. Step 4: Simplify right side
    1,435,347,777.92x = 1,535,695,417,830,726,400
  5. Step 5: Solve for x
    x = 1,535,695,417,830,726,400/1,435,347,777.92
  6. Step 6: Final answer
    x = 1,069,911,725.54

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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.