Home / 583,870,888.03-805,743,960.92-315,946,722.91

Finding the Fourth Proportional to 583,870,888.03, 805,743,960.92 and 315,946,722.91

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Solution

The fourth proportional to 583,870,888.03, 805,743,960.92 and 315,946,722.91 is: 436,007,633.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,870,888.03 : 805,743,960.92 = 315,946,722.91 : x
  2. Step 2: Convert to fraction form
    583,870,888.03/805,743,960.92 = 315,946,722.91/x
  3. Step 3: Cross multiply
    583,870,888.03x = 805,743,960.92 × 315,946,722.91
  4. Step 4: Simplify right side
    583,870,888.03x = 254,572,163,957,197,120
  5. Step 5: Solve for x
    x = 254,572,163,957,197,120/583,870,888.03
  6. Step 6: Final answer
    x = 436,007,633.15

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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.