Home / 280,943,838,986.68-387,702,784,736.46-152,485,314,087.80

Finding the Fourth Proportional to 280,943,838,986.68, 387,702,784,736.46 and 152,485,314,087.80

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Solution

The fourth proportional to 280,943,838,986.68, 387,702,784,736.46 and 152,485,314,087.80 is: 210,429,889,178.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,943,838,986.68 : 387,702,784,736.46 = 152,485,314,087.80 : x
  2. Step 2: Convert to fraction form
    280,943,838,986.68/387,702,784,736.46 = 152,485,314,087.80/x
  3. Step 3: Cross multiply
    280,943,838,986.68x = 387,702,784,736.46 × 152,485,314,087.80
  4. Step 4: Simplify right side
    280,943,838,986.68x = 59,118,980,903,253,812,707,328
  5. Step 5: Solve for x
    x = 59,118,980,903,253,812,707,328/280,943,838,986.68
  6. Step 6: Final answer
    x = 210,429,889,178.16

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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.