Home / 366,893,977.82-549,646,575.69-216,879,320.00

Finding the Fourth Proportional to 366,893,977.82, 549,646,575.69 and 216,879,320.00

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Solution

The fourth proportional to 366,893,977.82, 549,646,575.69 and 216,879,320.00 is: 324,908,509.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,893,977.82 : 549,646,575.69 = 216,879,320.00 : x
  2. Step 2: Convert to fraction form
    366,893,977.82/549,646,575.69 = 216,879,320.00/x
  3. Step 3: Cross multiply
    366,893,977.82x = 549,646,575.69 × 216,879,320.00
  4. Step 4: Simplify right side
    366,893,977.82x = 119,206,975,578,163,152
  5. Step 5: Solve for x
    x = 119,206,975,578,163,152/366,893,977.82
  6. Step 6: Final answer
    x = 324,908,509.78

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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.