Home / 808,698,774.69-1,213,051,715.91-256,003,918.20

Finding the Fourth Proportional to 808,698,774.69, 1,213,051,715.91 and 256,003,918.20

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Solution

The fourth proportional to 808,698,774.69, 1,213,051,715.91 and 256,003,918.20 is: 384,007,002.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,698,774.69 : 1,213,051,715.91 = 256,003,918.20 : x
  2. Step 2: Convert to fraction form
    808,698,774.69/1,213,051,715.91 = 256,003,918.20/x
  3. Step 3: Cross multiply
    808,698,774.69x = 1,213,051,715.91 × 256,003,918.20
  4. Step 4: Simplify right side
    808,698,774.69x = 310,545,992,252,193,280
  5. Step 5: Solve for x
    x = 310,545,992,252,193,280/808,698,774.69
  6. Step 6: Final answer
    x = 384,007,002.32

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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.