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Finding the Fourth Proportional to 1,064,602,603.40, 1,594,515,117.90 and 873,499,627.40

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Solution

The fourth proportional to 1,064,602,603.40, 1,594,515,117.90 and 873,499,627.40 is: 1,308,289,456.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,064,602,603.40 : 1,594,515,117.90 = 873,499,627.40 : x
  2. Step 2: Convert to fraction form
    1,064,602,603.40/1,594,515,117.90 = 873,499,627.40/x
  3. Step 3: Cross multiply
    1,064,602,603.40x = 1,594,515,117.90 × 873,499,627.40
  4. Step 4: Simplify right side
    1,064,602,603.40x = 1,392,808,361,369,317,120
  5. Step 5: Solve for x
    x = 1,392,808,361,369,317,120/1,064,602,603.40
  6. Step 6: Final answer
    x = 1,308,289,456.48

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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.