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Finding the Fourth Proportional to 579,249,743.40, 868,874,615.10 and 579,249,743.40

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Solution

The fourth proportional to 579,249,743.40, 868,874,615.10 and 579,249,743.40 is: 868,874,615.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,249,743.40 : 868,874,615.10 = 579,249,743.40 : x
  2. Step 2: Convert to fraction form
    579,249,743.40/868,874,615.10 = 579,249,743.40/x
  3. Step 3: Cross multiply
    579,249,743.40x = 868,874,615.10 × 579,249,743.40
  4. Step 4: Simplify right side
    579,249,743.40x = 503,295,397,843,448,768
  5. Step 5: Solve for x
    x = 503,295,397,843,448,768/579,249,743.40
  6. Step 6: Final answer
    x = 868,874,615.10

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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.