Home / 421,295,027.36-581,430,899.16-242,685,088.24

Finding the Fourth Proportional to 421,295,027.36, 581,430,899.16 and 242,685,088.24

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Solution

The fourth proportional to 421,295,027.36, 581,430,899.16 and 242,685,088.24 is: 334,930,630.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,295,027.36 : 581,430,899.16 = 242,685,088.24 : x
  2. Step 2: Convert to fraction form
    421,295,027.36/581,430,899.16 = 242,685,088.24/x
  3. Step 3: Cross multiply
    421,295,027.36x = 581,430,899.16 × 242,685,088.24
  4. Step 4: Simplify right side
    421,295,027.36x = 141,104,609,068,107,136
  5. Step 5: Solve for x
    x = 141,104,609,068,107,136/421,295,027.36
  6. Step 6: Final answer
    x = 334,930,630.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.