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Finding the Fourth Proportional to 589,968,299.20, 824,425,068.80 and 589,968,299.20

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Solution

The fourth proportional to 589,968,299.20, 824,425,068.80 and 589,968,299.20 is: 824,425,068.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,968,299.20 : 824,425,068.80 = 589,968,299.20 : x
  2. Step 2: Convert to fraction form
    589,968,299.20/824,425,068.80 = 589,968,299.20/x
  3. Step 3: Cross multiply
    589,968,299.20x = 824,425,068.80 × 589,968,299.20
  4. Step 4: Simplify right side
    589,968,299.20x = 486,384,655,657,779,008
  5. Step 5: Solve for x
    x = 486,384,655,657,779,008/589,968,299.20
  6. Step 6: Final answer
    x = 824,425,068.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.