Home / 562,815,507.02-776,685,473.28-311,936,096.03

Finding the Fourth Proportional to 562,815,507.02, 776,685,473.28 and 311,936,096.03

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Solution

The fourth proportional to 562,815,507.02, 776,685,473.28 and 311,936,096.03 is: 430,471,853.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,815,507.02 : 776,685,473.28 = 311,936,096.03 : x
  2. Step 2: Convert to fraction form
    562,815,507.02/776,685,473.28 = 311,936,096.03/x
  3. Step 3: Cross multiply
    562,815,507.02x = 776,685,473.28 × 311,936,096.03
  4. Step 4: Simplify right side
    562,815,507.02x = 242,276,234,374,292,640
  5. Step 5: Solve for x
    x = 242,276,234,374,292,640/562,815,507.02
  6. Step 6: Final answer
    x = 430,471,853.31

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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.