Home / 921,782,652.66-1,272,176,262.27-604,509,718.50

Finding the Fourth Proportional to 921,782,652.66, 1,272,176,262.27 and 604,509,718.50

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Solution

The fourth proportional to 921,782,652.66, 1,272,176,262.27 and 604,509,718.50 is: 834,299,617.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    921,782,652.66 : 1,272,176,262.27 = 604,509,718.50 : x
  2. Step 2: Convert to fraction form
    921,782,652.66/1,272,176,262.27 = 604,509,718.50/x
  3. Step 3: Cross multiply
    921,782,652.66x = 1,272,176,262.27 × 604,509,718.50
  4. Step 4: Simplify right side
    921,782,652.66x = 769,042,914,187,219,840
  5. Step 5: Solve for x
    x = 769,042,914,187,219,840/921,782,652.66
  6. Step 6: Final answer
    x = 834,299,617.13

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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.