Home / 354,317,205.60-531,475,808.40-208,601,186.40

Finding the Fourth Proportional to 354,317,205.60, 531,475,808.40 and 208,601,186.40

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Solution

The fourth proportional to 354,317,205.60, 531,475,808.40 and 208,601,186.40 is: 312,901,779.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,317,205.60 : 531,475,808.40 = 208,601,186.40 : x
  2. Step 2: Convert to fraction form
    354,317,205.60/531,475,808.40 = 208,601,186.40/x
  3. Step 3: Cross multiply
    354,317,205.60x = 531,475,808.40 × 208,601,186.40
  4. Step 4: Simplify right side
    354,317,205.60x = 110,866,484,175,139,088
  5. Step 5: Solve for x
    x = 110,866,484,175,139,088/354,317,205.60
  6. Step 6: Final answer
    x = 312,901,779.60

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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.