Home / 647,429,200.40-971,143,800.60-453,559,523.60

Finding the Fourth Proportional to 647,429,200.40, 971,143,800.60 and 453,559,523.60

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Solution

The fourth proportional to 647,429,200.40, 971,143,800.60 and 453,559,523.60 is: 680,339,285.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,429,200.40 : 971,143,800.60 = 453,559,523.60 : x
  2. Step 2: Convert to fraction form
    647,429,200.40/971,143,800.60 = 453,559,523.60/x
  3. Step 3: Cross multiply
    647,429,200.40x = 971,143,800.60 × 453,559,523.60
  4. Step 4: Simplify right side
    647,429,200.40x = 440,471,519,547,229,440
  5. Step 5: Solve for x
    x = 440,471,519,547,229,440/647,429,200.40
  6. Step 6: Final answer
    x = 680,339,285.40

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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.