Home / 785,426,254,636.43-1,083,914,975,054.30-455,803,772,300.70

Finding the Fourth Proportional to 785,426,254,636.43, 1,083,914,975,054.30 and 455,803,772,300.70

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Solution

The fourth proportional to 785,426,254,636.43, 1,083,914,975,054.30 and 455,803,772,300.70 is: 629,024,725,830.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,426,254,636.43 : 1,083,914,975,054.30 = 455,803,772,300.70 : x
  2. Step 2: Convert to fraction form
    785,426,254,636.43/1,083,914,975,054.30 = 455,803,772,300.70/x
  3. Step 3: Cross multiply
    785,426,254,636.43x = 1,083,914,975,054.30 × 455,803,772,300.70
  4. Step 4: Simplify right side
    785,426,254,636.43x = 494,052,534,482,969,087,180,800
  5. Step 5: Solve for x
    x = 494,052,534,482,969,087,180,800/785,426,254,636.43
  6. Step 6: Final answer
    x = 629,024,725,830.77

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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.