Home / 896,814,650.43-1,237,604,988.12-500,337,701.49

Finding the Fourth Proportional to 896,814,650.43, 1,237,604,988.12 and 500,337,701.49

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Solution

The fourth proportional to 896,814,650.43, 1,237,604,988.12 and 500,337,701.49 is: 690,466,457.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,814,650.43 : 1,237,604,988.12 = 500,337,701.49 : x
  2. Step 2: Convert to fraction form
    896,814,650.43/1,237,604,988.12 = 500,337,701.49/x
  3. Step 3: Cross multiply
    896,814,650.43x = 1,237,604,988.12 × 500,337,701.49
  4. Step 4: Simplify right side
    896,814,650.43x = 619,220,435,108,519,552
  5. Step 5: Solve for x
    x = 619,220,435,108,519,552/896,814,650.43
  6. Step 6: Final answer
    x = 690,466,457.94

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.