Home / 8,942,390,405.76-12,340,139,473.51-4,873,205,702.87

Finding the Fourth Proportional to 8,942,390,405.76, 12,340,139,473.51 and 4,873,205,702.87

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Solution

The fourth proportional to 8,942,390,405.76, 12,340,139,473.51 and 4,873,205,702.87 is: 6,724,828,074.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,942,390,405.76 : 12,340,139,473.51 = 4,873,205,702.87 : x
  2. Step 2: Convert to fraction form
    8,942,390,405.76/12,340,139,473.51 = 4,873,205,702.87/x
  3. Step 3: Cross multiply
    8,942,390,405.76x = 12,340,139,473.51 × 4,873,205,702.87
  4. Step 4: Simplify right side
    8,942,390,405.76x = 60,136,038,056,495,759,360
  5. Step 5: Solve for x
    x = 60,136,038,056,495,759,360/8,942,390,405.76
  6. Step 6: Final answer
    x = 6,724,828,074.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.