Home / 929,443,619.60-1,394,165,429.40-829,114,557.20

Finding the Fourth Proportional to 929,443,619.60, 1,394,165,429.40 and 829,114,557.20

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Solution

The fourth proportional to 929,443,619.60, 1,394,165,429.40 and 829,114,557.20 is: 1,243,671,835.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,443,619.60 : 1,394,165,429.40 = 829,114,557.20 : x
  2. Step 2: Convert to fraction form
    929,443,619.60/1,394,165,429.40 = 829,114,557.20/x
  3. Step 3: Cross multiply
    929,443,619.60x = 1,394,165,429.40 × 829,114,557.20
  4. Step 4: Simplify right side
    929,443,619.60x = 1,155,922,852,660,528,896
  5. Step 5: Solve for x
    x = 1,155,922,852,660,528,896/929,443,619.60
  6. Step 6: Final answer
    x = 1,243,671,835.80

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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.