Home / 213,637,188,292.80-320,387,745,756.96-70,182,918,018.24

Finding the Fourth Proportional to 213,637,188,292.80, 320,387,745,756.96 and 70,182,918,018.24

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Solution

The fourth proportional to 213,637,188,292.80, 320,387,745,756.96 and 70,182,918,018.24 is: 105,252,025,989.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,637,188,292.80 : 320,387,745,756.96 = 70,182,918,018.24 : x
  2. Step 2: Convert to fraction form
    213,637,188,292.80/320,387,745,756.96 = 70,182,918,018.24/x
  3. Step 3: Cross multiply
    213,637,188,292.80x = 320,387,745,756.96 × 70,182,918,018.24
  4. Step 4: Simplify right side
    213,637,188,292.80x = 22,485,746,894,509,447,315,456
  5. Step 5: Solve for x
    x = 22,485,746,894,509,447,315,456/213,637,188,292.80
  6. Step 6: Final answer
    x = 105,252,025,989.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.