Home / 577,943,768.72-797,562,946.32-330,430,306.16

Finding the Fourth Proportional to 577,943,768.72, 797,562,946.32 and 330,430,306.16

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Solution

The fourth proportional to 577,943,768.72, 797,562,946.32 and 330,430,306.16 is: 455,994,134.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,943,768.72 : 797,562,946.32 = 330,430,306.16 : x
  2. Step 2: Convert to fraction form
    577,943,768.72/797,562,946.32 = 330,430,306.16/x
  3. Step 3: Cross multiply
    577,943,768.72x = 797,562,946.32 × 330,430,306.16
  4. Step 4: Simplify right side
    577,943,768.72x = 263,538,968,534,389,280
  5. Step 5: Solve for x
    x = 263,538,968,534,389,280/577,943,768.72
  6. Step 6: Final answer
    x = 455,994,134.37

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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.