Home / 1,049,271,627.90-1,574,452,155.06-427,942,697.16

Finding the Fourth Proportional to 1,049,271,627.90, 1,574,452,155.06 and 427,942,697.16

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Solution

The fourth proportional to 1,049,271,627.90, 1,574,452,155.06 and 427,942,697.16 is: 642,136,205.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,049,271,627.90 : 1,574,452,155.06 = 427,942,697.16 : x
  2. Step 2: Convert to fraction form
    1,049,271,627.90/1,574,452,155.06 = 427,942,697.16/x
  3. Step 3: Cross multiply
    1,049,271,627.90x = 1,574,452,155.06 × 427,942,697.16
  4. Step 4: Simplify right side
    1,049,271,627.90x = 673,775,301,785,750,912
  5. Step 5: Solve for x
    x = 673,775,301,785,750,912/1,049,271,627.90
  6. Step 6: Final answer
    x = 642,136,205.60

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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.