Home / 425,851,223.16-639,001,889.57-302,153,269.16

Finding the Fourth Proportional to 425,851,223.16, 639,001,889.57 and 302,153,269.16

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Solution

The fourth proportional to 425,851,223.16, 639,001,889.57 and 302,153,269.16 is: 453,389,586.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,851,223.16 : 639,001,889.57 = 302,153,269.16 : x
  2. Step 2: Convert to fraction form
    425,851,223.16/639,001,889.57 = 302,153,269.16/x
  3. Step 3: Cross multiply
    425,851,223.16x = 639,001,889.57 × 302,153,269.16
  4. Step 4: Simplify right side
    425,851,223.16x = 193,076,509,930,553,152
  5. Step 5: Solve for x
    x = 193,076,509,930,553,152/425,851,223.16
  6. Step 6: Final answer
    x = 453,389,586.39

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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.