Home / 668,736,021.40-1,003,104,032.10-505,477,346.20

Finding the Fourth Proportional to 668,736,021.40, 1,003,104,032.10 and 505,477,346.20

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Solution

The fourth proportional to 668,736,021.40, 1,003,104,032.10 and 505,477,346.20 is: 758,216,019.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,736,021.40 : 1,003,104,032.10 = 505,477,346.20 : x
  2. Step 2: Convert to fraction form
    668,736,021.40/1,003,104,032.10 = 505,477,346.20/x
  3. Step 3: Cross multiply
    668,736,021.40x = 1,003,104,032.10 × 505,477,346.20
  4. Step 4: Simplify right side
    668,736,021.40x = 507,046,364,108,427,584
  5. Step 5: Solve for x
    x = 507,046,364,108,427,584/668,736,021.40
  6. Step 6: Final answer
    x = 758,216,019.30

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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.