Home / 297,579,202.80-445,572,541.80-189,287,516.40

Finding the Fourth Proportional to 297,579,202.80, 445,572,541.80 and 189,287,516.40

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Solution

The fourth proportional to 297,579,202.80, 445,572,541.80 and 189,287,516.40 is: 283,424,779.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,579,202.80 : 445,572,541.80 = 189,287,516.40 : x
  2. Step 2: Convert to fraction form
    297,579,202.80/445,572,541.80 = 189,287,516.40/x
  3. Step 3: Cross multiply
    297,579,202.80x = 445,572,541.80 × 189,287,516.40
  4. Step 4: Simplify right side
    297,579,202.80x = 84,341,319,813,357,184
  5. Step 5: Solve for x
    x = 84,341,319,813,357,184/297,579,202.80
  6. Step 6: Final answer
    x = 283,424,779.08

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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.