Home / 394,903,965.15-592,355,947.73-190,830,621.15

Finding the Fourth Proportional to 394,903,965.15, 592,355,947.73 and 190,830,621.15

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Solution

The fourth proportional to 394,903,965.15, 592,355,947.73 and 190,830,621.15 is: 286,245,931.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,903,965.15 : 592,355,947.73 = 190,830,621.15 : x
  2. Step 2: Convert to fraction form
    394,903,965.15/592,355,947.73 = 190,830,621.15/x
  3. Step 3: Cross multiply
    394,903,965.15x = 592,355,947.73 × 190,830,621.15
  4. Step 4: Simplify right side
    394,903,965.15x = 113,039,653,446,258,688
  5. Step 5: Solve for x
    x = 113,039,653,446,258,688/394,903,965.15
  6. Step 6: Final answer
    x = 286,245,931.73

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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.