Home / 399,175,528.40-598,763,292.60-369,315,688.40

Finding the Fourth Proportional to 399,175,528.40, 598,763,292.60 and 369,315,688.40

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Solution

The fourth proportional to 399,175,528.40, 598,763,292.60 and 369,315,688.40 is: 553,973,532.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,175,528.40 : 598,763,292.60 = 369,315,688.40 : x
  2. Step 2: Convert to fraction form
    399,175,528.40/598,763,292.60 = 369,315,688.40/x
  3. Step 3: Cross multiply
    399,175,528.40x = 598,763,292.60 × 369,315,688.40
  4. Step 4: Simplify right side
    399,175,528.40x = 221,132,677,595,219,616
  5. Step 5: Solve for x
    x = 221,132,677,595,219,616/399,175,528.40
  6. Step 6: Final answer
    x = 553,973,532.60

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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.