Home / 630,414,502.80-943,070,837.40-553,886,998.80

Finding the Fourth Proportional to 630,414,502.80, 943,070,837.40 and 553,886,998.80

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Solution

The fourth proportional to 630,414,502.80, 943,070,837.40 and 553,886,998.80 is: 828,589,243.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,414,502.80 : 943,070,837.40 = 553,886,998.80 : x
  2. Step 2: Convert to fraction form
    630,414,502.80/943,070,837.40 = 553,886,998.80/x
  3. Step 3: Cross multiply
    630,414,502.80x = 943,070,837.40 × 553,886,998.80
  4. Step 4: Simplify right side
    630,414,502.80x = 522,354,675,783,288,768
  5. Step 5: Solve for x
    x = 522,354,675,783,288,768/630,414,502.80
  6. Step 6: Final answer
    x = 828,589,243.21

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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.