Home / 1,289,886,735,569.50-1,780,086,447,956-703,968,662,853

Finding the Fourth Proportional to 1,289,886,735,569.50, 1,780,086,447,956 and 703,968,662,853

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Solution

The fourth proportional to 1,289,886,735,569.50, 1,780,086,447,956 and 703,968,662,853 is: 971,500,087,546.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,289,886,735,569.50 : 1,780,086,447,956 = 703,968,662,853 : x
  2. Step 2: Convert to fraction form
    1,289,886,735,569.50/1,780,086,447,956 = 703,968,662,853/x
  3. Step 3: Cross multiply
    1,289,886,735,569.50x = 1,780,086,447,956 × 703,968,662,853
  4. Step 4: Simplify right side
    1,289,886,735,569.50x = 1,253,125,076,530,331,624,931,328
  5. Step 5: Solve for x
    x = 1,253,125,076,530,331,624,931,328/1,289,886,735,569.50
  6. Step 6: Final answer
    x = 971,500,087,546.11

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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.