Home / 1,264,247,274,725.60-1,744,662,530,326.50-686,183,912,678.50

Finding the Fourth Proportional to 1,264,247,274,725.60, 1,744,662,530,326.50 and 686,183,912,678.50

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Solution

The fourth proportional to 1,264,247,274,725.60, 1,744,662,530,326.50 and 686,183,912,678.50 is: 946,934,500,311.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,264,247,274,725.60 : 1,744,662,530,326.50 = 686,183,912,678.50 : x
  2. Step 2: Convert to fraction form
    1,264,247,274,725.60/1,744,662,530,326.50 = 686,183,912,678.50/x
  3. Step 3: Cross multiply
    1,264,247,274,725.60x = 1,744,662,530,326.50 × 686,183,912,678.50
  4. Step 4: Simplify right side
    1,264,247,274,725.60x = 1,197,159,361,363,009,878,360,064
  5. Step 5: Solve for x
    x = 1,197,159,361,363,009,878,360,064/1,264,247,274,725.60
  6. Step 6: Final answer
    x = 946,934,500,311.93

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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.