Home / 472,392,666.30-708,588,999.45-424,775,552.70

Finding the Fourth Proportional to 472,392,666.30, 708,588,999.45 and 424,775,552.70

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Solution

The fourth proportional to 472,392,666.30, 708,588,999.45 and 424,775,552.70 is: 637,163,329.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,392,666.30 : 708,588,999.45 = 424,775,552.70 : x
  2. Step 2: Convert to fraction form
    472,392,666.30/708,588,999.45 = 424,775,552.70/x
  3. Step 3: Cross multiply
    472,392,666.30x = 708,588,999.45 × 424,775,552.70
  4. Step 4: Simplify right side
    472,392,666.30x = 300,991,283,878,513,728
  5. Step 5: Solve for x
    x = 300,991,283,878,513,728/472,392,666.30
  6. Step 6: Final answer
    x = 637,163,329.05

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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.