Home / 589,778,510.40-883,539,727.20-317,058,638.40

Finding the Fourth Proportional to 589,778,510.40, 883,539,727.20 and 317,058,638.40

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Solution

The fourth proportional to 589,778,510.40, 883,539,727.20 and 317,058,638.40 is: 474,981,536.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,778,510.40 : 883,539,727.20 = 317,058,638.40 : x
  2. Step 2: Convert to fraction form
    589,778,510.40/883,539,727.20 = 317,058,638.40/x
  3. Step 3: Cross multiply
    589,778,510.40x = 883,539,727.20 × 317,058,638.40
  4. Step 4: Simplify right side
    589,778,510.40x = 280,133,902,878,339,424
  5. Step 5: Solve for x
    x = 280,133,902,878,339,424/589,778,510.40
  6. Step 6: Final answer
    x = 474,981,536.18

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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.