Home / 776,892,944.01-1,072,099,592.94-424,461,349.47

Finding the Fourth Proportional to 776,892,944.01, 1,072,099,592.94 and 424,461,349.47

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Solution

The fourth proportional to 776,892,944.01, 1,072,099,592.94 and 424,461,349.47 is: 585,749,740.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,892,944.01 : 1,072,099,592.94 = 424,461,349.47 : x
  2. Step 2: Convert to fraction form
    776,892,944.01/1,072,099,592.94 = 424,461,349.47/x
  3. Step 3: Cross multiply
    776,892,944.01x = 1,072,099,592.94 × 424,461,349.47
  4. Step 4: Simplify right side
    776,892,944.01x = 455,064,839,985,550,144
  5. Step 5: Solve for x
    x = 455,064,839,985,550,144/776,892,944.01
  6. Step 6: Final answer
    x = 585,749,740.03

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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.