Home / 356,712,536.40-534,431,075.40-305,694,200.40

Finding the Fourth Proportional to 356,712,536.40, 534,431,075.40 and 305,694,200.40

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Solution

The fourth proportional to 356,712,536.40, 534,431,075.40 and 305,694,200.40 is: 457,994,781.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,712,536.40 : 534,431,075.40 = 305,694,200.40 : x
  2. Step 2: Convert to fraction form
    356,712,536.40/534,431,075.40 = 305,694,200.40/x
  3. Step 3: Cross multiply
    356,712,536.40x = 534,431,075.40 × 305,694,200.40
  4. Step 4: Simplify right side
    356,712,536.40x = 163,372,480,263,315,104
  5. Step 5: Solve for x
    x = 163,372,480,263,315,104/356,712,536.40
  6. Step 6: Final answer
    x = 457,994,781.77

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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.