Home / 472,418,918.80-709,384,205.40-357,533,184.40

Finding the Fourth Proportional to 472,418,918.80, 709,384,205.40 and 357,533,184.40

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Solution

The fourth proportional to 472,418,918.80, 709,384,205.40 and 357,533,184.40 is: 536,871,797.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,418,918.80 : 709,384,205.40 = 357,533,184.40 : x
  2. Step 2: Convert to fraction form
    472,418,918.80/709,384,205.40 = 357,533,184.40/x
  3. Step 3: Cross multiply
    472,418,918.80x = 709,384,205.40 × 357,533,184.40
  4. Step 4: Simplify right side
    472,418,918.80x = 253,628,393,919,725,664
  5. Step 5: Solve for x
    x = 253,628,393,919,725,664/472,418,918.80
  6. Step 6: Final answer
    x = 536,871,797.10

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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.