Home / 708,105,207,553.95-977,188,130,571.85-382,944,499,366.88

Finding the Fourth Proportional to 708,105,207,553.95, 977,188,130,571.85 and 382,944,499,366.88

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Solution

The fourth proportional to 708,105,207,553.95, 977,188,130,571.85 and 382,944,499,366.88 is: 528,465,001,326.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,105,207,553.95 : 977,188,130,571.85 = 382,944,499,366.88 : x
  2. Step 2: Convert to fraction form
    708,105,207,553.95/977,188,130,571.85 = 382,944,499,366.88/x
  3. Step 3: Cross multiply
    708,105,207,553.95x = 977,188,130,571.85 × 382,944,499,366.88
  4. Step 4: Simplify right side
    708,105,207,553.95x = 374,208,819,449,094,429,736,960
  5. Step 5: Solve for x
    x = 374,208,819,449,094,429,736,960/708,105,207,553.95
  6. Step 6: Final answer
    x = 528,465,001,326.21

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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.