Home / 471,276,853.16-706,430,232.90-209,084,881.50

Finding the Fourth Proportional to 471,276,853.16, 706,430,232.90 and 209,084,881.50

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Solution

The fourth proportional to 471,276,853.16, 706,430,232.90 and 209,084,881.50 is: 313,412,128.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,276,853.16 : 706,430,232.90 = 209,084,881.50 : x
  2. Step 2: Convert to fraction form
    471,276,853.16/706,430,232.90 = 209,084,881.50/x
  3. Step 3: Cross multiply
    471,276,853.16x = 706,430,232.90 × 209,084,881.50
  4. Step 4: Simplify right side
    471,276,853.16x = 147,703,881,533,913,888
  5. Step 5: Solve for x
    x = 147,703,881,533,913,888/471,276,853.16
  6. Step 6: Final answer
    x = 313,412,128.23

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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.