Home / 355,911,208.40-533,866,812.60-317,615,963.60

Finding the Fourth Proportional to 355,911,208.40, 533,866,812.60 and 317,615,963.60

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Solution

The fourth proportional to 355,911,208.40, 533,866,812.60 and 317,615,963.60 is: 476,423,945.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,911,208.40 : 533,866,812.60 = 317,615,963.60 : x
  2. Step 2: Convert to fraction form
    355,911,208.40/533,866,812.60 = 317,615,963.60/x
  3. Step 3: Cross multiply
    355,911,208.40x = 533,866,812.60 × 317,615,963.60
  4. Step 4: Simplify right side
    355,911,208.40x = 169,564,622,118,009,632
  5. Step 5: Solve for x
    x = 169,564,622,118,009,632/355,911,208.40
  6. Step 6: Final answer
    x = 476,423,945.40

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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.