Home / 42,900,115,035.83-59,210,355,291.44-28,406,646,542.43

Finding the Fourth Proportional to 42,900,115,035.83, 59,210,355,291.44 and 28,406,646,542.43

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Solution

The fourth proportional to 42,900,115,035.83, 59,210,355,291.44 and 28,406,646,542.43 is: 39,206,599,632.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,900,115,035.83 : 59,210,355,291.44 = 28,406,646,542.43 : x
  2. Step 2: Convert to fraction form
    42,900,115,035.83/59,210,355,291.44 = 28,406,646,542.43/x
  3. Step 3: Cross multiply
    42,900,115,035.83x = 59,210,355,291.44 × 28,406,646,542.43
  4. Step 4: Simplify right side
    42,900,115,035.83x = 1,681,967,634,415,493,840,896
  5. Step 5: Solve for x
    x = 1,681,967,634,415,493,840,896/42,900,115,035.83
  6. Step 6: Final answer
    x = 39,206,599,632.91

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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.