Home / 384,477,217.57-530,581,107.14-208,265,210.64

Finding the Fourth Proportional to 384,477,217.57, 530,581,107.14 and 208,265,210.64

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Solution

The fourth proportional to 384,477,217.57, 530,581,107.14 and 208,265,210.64 is: 287,407,370.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,477,217.57 : 530,581,107.14 = 208,265,210.64 : x
  2. Step 2: Convert to fraction form
    384,477,217.57/530,581,107.14 = 208,265,210.64/x
  3. Step 3: Cross multiply
    384,477,217.57x = 530,581,107.14 × 208,265,210.64
  4. Step 4: Simplify right side
    384,477,217.57x = 110,501,586,039,854,080
  5. Step 5: Solve for x
    x = 110,501,586,039,854,080/384,477,217.57
  6. Step 6: Final answer
    x = 287,407,370.30

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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.