Home / 562,626,478.36-776,414,263.71-311,729,955.22

Finding the Fourth Proportional to 562,626,478.36, 776,414,263.71 and 311,729,955.22

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Solution

The fourth proportional to 562,626,478.36, 776,414,263.71 and 311,729,955.22 is: 430,181,644.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,626,478.36 : 776,414,263.71 = 311,729,955.22 : x
  2. Step 2: Convert to fraction form
    562,626,478.36/776,414,263.71 = 311,729,955.22/x
  3. Step 3: Cross multiply
    562,626,478.36x = 776,414,263.71 × 311,729,955.22
  4. Step 4: Simplify right side
    562,626,478.36x = 242,031,583,658,487,616
  5. Step 5: Solve for x
    x = 242,031,583,658,487,616/562,626,478.36
  6. Step 6: Final answer
    x = 430,181,644.43

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1.5x scale

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.