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Finding the Fourth Proportional to 628,896,695,615.80, 943,345,043,423.70 and 628,896,695,615.80

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Solution

The fourth proportional to 628,896,695,615.80, 943,345,043,423.70 and 628,896,695,615.80 is: 943,345,043,423.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,896,695,615.80 : 943,345,043,423.70 = 628,896,695,615.80 : x
  2. Step 2: Convert to fraction form
    628,896,695,615.80/943,345,043,423.70 = 628,896,695,615.80/x
  3. Step 3: Cross multiply
    628,896,695,615.80x = 943,345,043,423.70 × 628,896,695,615.80
  4. Step 4: Simplify right side
    628,896,695,615.80x = 593,266,580,634,708,316,520,448
  5. Step 5: Solve for x
    x = 593,266,580,634,708,316,520,448/628,896,695,615.80
  6. Step 6: Final answer
    x = 943,345,043,423.70

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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.