Home / 661,568,590.80-992,352,886.20-558,256,460.40

Finding the Fourth Proportional to 661,568,590.80, 992,352,886.20 and 558,256,460.40

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Solution

The fourth proportional to 661,568,590.80, 992,352,886.20 and 558,256,460.40 is: 837,384,690.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,568,590.80 : 992,352,886.20 = 558,256,460.40 : x
  2. Step 2: Convert to fraction form
    661,568,590.80/992,352,886.20 = 558,256,460.40/x
  3. Step 3: Cross multiply
    661,568,590.80x = 992,352,886.20 × 558,256,460.40
  4. Step 4: Simplify right side
    661,568,590.80x = 553,987,409,717,736,000
  5. Step 5: Solve for x
    x = 553,987,409,717,736,000/661,568,590.80
  6. Step 6: Final answer
    x = 837,384,690.60

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1.5x scale

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.