Home / 704,546,721.98-972,217,774.93-407,208,222.61

Finding the Fourth Proportional to 704,546,721.98, 972,217,774.93 and 407,208,222.61

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Solution

The fourth proportional to 704,546,721.98, 972,217,774.93 and 407,208,222.61 is: 561,914,575.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,546,721.98 : 972,217,774.93 = 407,208,222.61 : x
  2. Step 2: Convert to fraction form
    704,546,721.98/972,217,774.93 = 407,208,222.61/x
  3. Step 3: Cross multiply
    704,546,721.98x = 972,217,774.93 × 407,208,222.61
  4. Step 4: Simplify right side
    704,546,721.98x = 395,895,072,116,386,880
  5. Step 5: Solve for x
    x = 395,895,072,116,386,880/704,546,721.98
  6. Step 6: Final answer
    x = 561,914,575.38

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1.5x scale

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.