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Finding the Fourth Proportional to 668,898,104.60, 1,003,347,156.90 and 668,898,104.60

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Solution

The fourth proportional to 668,898,104.60, 1,003,347,156.90 and 668,898,104.60 is: 1,003,347,156.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,898,104.60 : 1,003,347,156.90 = 668,898,104.60 : x
  2. Step 2: Convert to fraction form
    668,898,104.60/1,003,347,156.90 = 668,898,104.60/x
  3. Step 3: Cross multiply
    668,898,104.60x = 1,003,347,156.90 × 668,898,104.60
  4. Step 4: Simplify right side
    668,898,104.60x = 671,137,011,506,208,768
  5. Step 5: Solve for x
    x = 671,137,011,506,208,768/668,898,104.60
  6. Step 6: Final answer
    x = 1,003,347,156.90

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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.