Home / 42,550,290,428.70-63,825,435,643.05-28,346,785,686.30

Finding the Fourth Proportional to 42,550,290,428.70, 63,825,435,643.05 and 28,346,785,686.30

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Solution

The fourth proportional to 42,550,290,428.70, 63,825,435,643.05 and 28,346,785,686.30 is: 42,520,178,529.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,550,290,428.70 : 63,825,435,643.05 = 28,346,785,686.30 : x
  2. Step 2: Convert to fraction form
    42,550,290,428.70/63,825,435,643.05 = 28,346,785,686.30/x
  3. Step 3: Cross multiply
    42,550,290,428.70x = 63,825,435,643.05 × 28,346,785,686.30
  4. Step 4: Simplify right side
    42,550,290,428.70x = 1,809,245,945,508,271,489,024
  5. Step 5: Solve for x
    x = 1,809,245,945,508,271,489,024/42,550,290,428.70
  6. Step 6: Final answer
    x = 42,520,178,529.45

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Double scale
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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.