Home / 355,911,209.40-533,866,814.10-317,615,964.60

Finding the Fourth Proportional to 355,911,209.40, 533,866,814.10 and 317,615,964.60

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Solution

The fourth proportional to 355,911,209.40, 533,866,814.10 and 317,615,964.60 is: 476,423,946.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,911,209.40 : 533,866,814.10 = 317,615,964.60 : x
  2. Step 2: Convert to fraction form
    355,911,209.40/533,866,814.10 = 317,615,964.60/x
  3. Step 3: Cross multiply
    355,911,209.40x = 533,866,814.10 × 317,615,964.60
  4. Step 4: Simplify right side
    355,911,209.40x = 169,564,623,128,300,416
  5. Step 5: Solve for x
    x = 169,564,623,128,300,416/355,911,209.40
  6. Step 6: Final answer
    x = 476,423,946.90

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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.