Home / 620,039,809.59-929,736,771.70-292,427,358.58

Finding the Fourth Proportional to 620,039,809.59, 929,736,771.70 and 292,427,358.58

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Solution

The fourth proportional to 620,039,809.59, 929,736,771.70 and 292,427,358.58 is: 438,488,729.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,039,809.59 : 929,736,771.70 = 292,427,358.58 : x
  2. Step 2: Convert to fraction form
    620,039,809.59/929,736,771.70 = 292,427,358.58/x
  3. Step 3: Cross multiply
    620,039,809.59x = 929,736,771.70 × 292,427,358.58
  4. Step 4: Simplify right side
    620,039,809.59x = 271,880,468,322,927,488
  5. Step 5: Solve for x
    x = 271,880,468,322,927,488/620,039,809.59
  6. Step 6: Final answer
    x = 438,488,729.46

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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.