Home / 785,426,254,631.40-1,083,914,975,047.40-455,803,772,295.68

Finding the Fourth Proportional to 785,426,254,631.40, 1,083,914,975,047.40 and 455,803,772,295.68

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Solution

The fourth proportional to 785,426,254,631.40, 1,083,914,975,047.40 and 455,803,772,295.68 is: 629,024,725,823.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,426,254,631.40 : 1,083,914,975,047.40 = 455,803,772,295.68 : x
  2. Step 2: Convert to fraction form
    785,426,254,631.40/1,083,914,975,047.40 = 455,803,772,295.68/x
  3. Step 3: Cross multiply
    785,426,254,631.40x = 1,083,914,975,047.40 × 455,803,772,295.68
  4. Step 4: Simplify right side
    785,426,254,631.40x = 494,052,534,474,382,776,467,456
  5. Step 5: Solve for x
    x = 494,052,534,474,382,776,467,456/785,426,254,631.40
  6. Step 6: Final answer
    x = 629,024,725,823.87

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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.