Home / 637,890,233.40-956,835,350.10-631,843,615.80

Finding the Fourth Proportional to 637,890,233.40, 956,835,350.10 and 631,843,615.80

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Solution

The fourth proportional to 637,890,233.40, 956,835,350.10 and 631,843,615.80 is: 947,765,423.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,890,233.40 : 956,835,350.10 = 631,843,615.80 : x
  2. Step 2: Convert to fraction form
    637,890,233.40/956,835,350.10 = 631,843,615.80/x
  3. Step 3: Cross multiply
    637,890,233.40x = 956,835,350.10 × 631,843,615.80
  4. Step 4: Simplify right side
    637,890,233.40x = 604,570,307,332,442,880
  5. Step 5: Solve for x
    x = 604,570,307,332,442,880/637,890,233.40
  6. Step 6: Final answer
    x = 947,765,423.70

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Double scale
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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.