Home / 656,369,119.64-906,068,285.34-408,972,705.32

Finding the Fourth Proportional to 656,369,119.64, 906,068,285.34 and 408,972,705.32

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Solution

The fourth proportional to 656,369,119.64, 906,068,285.34 and 408,972,705.32 is: 564,556,111.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,369,119.64 : 906,068,285.34 = 408,972,705.32 : x
  2. Step 2: Convert to fraction form
    656,369,119.64/906,068,285.34 = 408,972,705.32/x
  3. Step 3: Cross multiply
    656,369,119.64x = 906,068,285.34 × 408,972,705.32
  4. Step 4: Simplify right side
    656,369,119.64x = 370,557,197,860,153,472
  5. Step 5: Solve for x
    x = 370,557,197,860,153,472/656,369,119.64
  6. Step 6: Final answer
    x = 564,556,111.45

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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.