Home / 8,123,026,128.49-11,208,097,426.87-4,689,664,947.01

Finding the Fourth Proportional to 8,123,026,128.49, 11,208,097,426.87 and 4,689,664,947.01

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Solution

The fourth proportional to 8,123,026,128.49, 11,208,097,426.87 and 4,689,664,947.01 is: 6,470,768,503.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,123,026,128.49 : 11,208,097,426.87 = 4,689,664,947.01 : x
  2. Step 2: Convert to fraction form
    8,123,026,128.49/11,208,097,426.87 = 4,689,664,947.01/x
  3. Step 3: Cross multiply
    8,123,026,128.49x = 11,208,097,426.87 × 4,689,664,947.01
  4. Step 4: Simplify right side
    8,123,026,128.49x = 52,562,221,625,484,476,416
  5. Step 5: Solve for x
    x = 52,562,221,625,484,476,416/8,123,026,128.49
  6. Step 6: Final answer
    x = 6,470,768,503.52

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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.