Home / 280,943,838,989.73-387,702,784,740.60-152,485,314,090.84

Finding the Fourth Proportional to 280,943,838,989.73, 387,702,784,740.60 and 152,485,314,090.84

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Solution

The fourth proportional to 280,943,838,989.73, 387,702,784,740.60 and 152,485,314,090.84 is: 210,429,889,182.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,943,838,989.73 : 387,702,784,740.60 = 152,485,314,090.84 : x
  2. Step 2: Convert to fraction form
    280,943,838,989.73/387,702,784,740.60 = 152,485,314,090.84/x
  3. Step 3: Cross multiply
    280,943,838,989.73x = 387,702,784,740.60 × 152,485,314,090.84
  4. Step 4: Simplify right side
    280,943,838,989.73x = 59,118,980,905,063,713,603,584
  5. Step 5: Solve for x
    x = 59,118,980,905,063,713,603,584/280,943,838,989.73
  6. Step 6: Final answer
    x = 210,429,889,182.32

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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.