Home / 545,541,252.80-752,873,802.72-310,596,566.72

Finding the Fourth Proportional to 545,541,252.80, 752,873,802.72 and 310,596,566.72

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Solution

The fourth proportional to 545,541,252.80, 752,873,802.72 and 310,596,566.72 is: 428,638,562.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,541,252.80 : 752,873,802.72 = 310,596,566.72 : x
  2. Step 2: Convert to fraction form
    545,541,252.80/752,873,802.72 = 310,596,566.72/x
  3. Step 3: Cross multiply
    545,541,252.80x = 752,873,802.72 × 310,596,566.72
  4. Step 4: Simplify right side
    545,541,252.80x = 233,840,018,298,262,624
  5. Step 5: Solve for x
    x = 233,840,018,298,262,624/545,541,252.80
  6. Step 6: Final answer
    x = 428,638,562.34

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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.