Home / 38,828,748,309.89-58,259,901,436.83-20,880,148,385.60

Finding the Fourth Proportional to 38,828,748,309.89, 58,259,901,436.83 and 20,880,148,385.60

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Solution

The fourth proportional to 38,828,748,309.89, 58,259,901,436.83 and 20,880,148,385.60 is: 31,329,245,465.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,828,748,309.89 : 58,259,901,436.83 = 20,880,148,385.60 : x
  2. Step 2: Convert to fraction form
    38,828,748,309.89/58,259,901,436.83 = 20,880,148,385.60/x
  3. Step 3: Cross multiply
    38,828,748,309.89x = 58,259,901,436.83 × 20,880,148,385.60
  4. Step 4: Simplify right side
    38,828,748,309.89x = 1,216,475,386,931,382,845,440
  5. Step 5: Solve for x
    x = 1,216,475,386,931,382,845,440/38,828,748,309.89
  6. Step 6: Final answer
    x = 31,329,245,465.83

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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.