Home / 280,908,043.60-421,362,065.40-232,440,624.40

Finding the Fourth Proportional to 280,908,043.60, 421,362,065.40 and 232,440,624.40

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Solution

The fourth proportional to 280,908,043.60, 421,362,065.40 and 232,440,624.40 is: 348,660,936.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,908,043.60 : 421,362,065.40 = 232,440,624.40 : x
  2. Step 2: Convert to fraction form
    280,908,043.60/421,362,065.40 = 232,440,624.40/x
  3. Step 3: Cross multiply
    280,908,043.60x = 421,362,065.40 × 232,440,624.40
  4. Step 4: Simplify right side
    280,908,043.60x = 97,941,661,580,049,632
  5. Step 5: Solve for x
    x = 97,941,661,580,049,632/280,908,043.60
  6. Step 6: Final answer
    x = 348,660,936.60

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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.