Home / 280,908,052.60-421,362,078.90-232,440,633.40

Finding the Fourth Proportional to 280,908,052.60, 421,362,078.90 and 232,440,633.40

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Solution

The fourth proportional to 280,908,052.60, 421,362,078.90 and 232,440,633.40 is: 348,660,950.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,908,052.60 : 421,362,078.90 = 232,440,633.40 : x
  2. Step 2: Convert to fraction form
    280,908,052.60/421,362,078.90 = 232,440,633.40/x
  3. Step 3: Cross multiply
    280,908,052.60x = 421,362,078.90 × 232,440,633.40
  4. Step 4: Simplify right side
    280,908,052.60x = 97,941,668,510,256,768
  5. Step 5: Solve for x
    x = 97,941,668,510,256,768/280,908,052.60
  6. Step 6: Final answer
    x = 348,660,950.10

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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.