Home / 708,781,050.40-1,063,171,575.60-699,225,901.60

Finding the Fourth Proportional to 708,781,050.40, 1,063,171,575.60 and 699,225,901.60

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Solution

The fourth proportional to 708,781,050.40, 1,063,171,575.60 and 699,225,901.60 is: 1,048,838,852.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,781,050.40 : 1,063,171,575.60 = 699,225,901.60 : x
  2. Step 2: Convert to fraction form
    708,781,050.40/1,063,171,575.60 = 699,225,901.60/x
  3. Step 3: Cross multiply
    708,781,050.40x = 1,063,171,575.60 × 699,225,901.60
  4. Step 4: Simplify right side
    708,781,050.40x = 743,397,103,504,402,560
  5. Step 5: Solve for x
    x = 743,397,103,504,402,560/708,781,050.40
  6. Step 6: Final answer
    x = 1,048,838,852.40

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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.