Home / 673,946,152.40-1,011,017,206.20-285,768,232.40

Finding the Fourth Proportional to 673,946,152.40, 1,011,017,206.20 and 285,768,232.40

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Solution

The fourth proportional to 673,946,152.40, 1,011,017,206.20 and 285,768,232.40 is: 428,693,893.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,946,152.40 : 1,011,017,206.20 = 285,768,232.40 : x
  2. Step 2: Convert to fraction form
    673,946,152.40/1,011,017,206.20 = 285,768,232.40/x
  3. Step 3: Cross multiply
    673,946,152.40x = 1,011,017,206.20 × 285,768,232.40
  4. Step 4: Simplify right side
    673,946,152.40x = 288,916,599,941,760,320
  5. Step 5: Solve for x
    x = 288,916,599,941,760,320/673,946,152.40
  6. Step 6: Final answer
    x = 428,693,893.29

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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.