Home / 77,726,466,077.40-116,589,703,840.02-18,838,551,749.40

Finding the Fourth Proportional to 77,726,466,077.40, 116,589,703,840.02 and 18,838,551,749.40

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Solution

The fourth proportional to 77,726,466,077.40, 116,589,703,840.02 and 18,838,551,749.40 is: 28,257,828,769.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,726,466,077.40 : 116,589,703,840.02 = 18,838,551,749.40 : x
  2. Step 2: Convert to fraction form
    77,726,466,077.40/116,589,703,840.02 = 18,838,551,749.40/x
  3. Step 3: Cross multiply
    77,726,466,077.40x = 116,589,703,840.02 × 18,838,551,749.40
  4. Step 4: Simplify right side
    77,726,466,077.40x = 2,196,381,169,237,436,923,904
  5. Step 5: Solve for x
    x = 2,196,381,169,237,436,923,904/77,726,466,077.40
  6. Step 6: Final answer
    x = 28,257,828,769.04

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1.5x scale

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.