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Finding the Fourth Proportional to 1,124,928,506.40, 1,571,271,938.40 and 1,124,928,506.40

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Solution

The fourth proportional to 1,124,928,506.40, 1,571,271,938.40 and 1,124,928,506.40 is: 1,571,271,938.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,124,928,506.40 : 1,571,271,938.40 = 1,124,928,506.40 : x
  2. Step 2: Convert to fraction form
    1,124,928,506.40/1,571,271,938.40 = 1,124,928,506.40/x
  3. Step 3: Cross multiply
    1,124,928,506.40x = 1,571,271,938.40 × 1,124,928,506.40
  4. Step 4: Simplify right side
    1,124,928,506.40x = 1,767,568,594,812,545,024
  5. Step 5: Solve for x
    x = 1,767,568,594,812,545,024/1,124,928,506.40
  6. Step 6: Final answer
    x = 1,571,271,938.40

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.