Home / 42,900,115,055.88-59,210,355,319.10-28,406,646,562.44

Finding the Fourth Proportional to 42,900,115,055.88, 59,210,355,319.10 and 28,406,646,562.44

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Solution

The fourth proportional to 42,900,115,055.88, 59,210,355,319.10 and 28,406,646,562.44 is: 39,206,599,660.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,900,115,055.88 : 59,210,355,319.10 = 28,406,646,562.44 : x
  2. Step 2: Convert to fraction form
    42,900,115,055.88/59,210,355,319.10 = 28,406,646,562.44/x
  3. Step 3: Cross multiply
    42,900,115,055.88x = 59,210,355,319.10 × 28,406,646,562.44
  4. Step 4: Simplify right side
    42,900,115,055.88x = 1,681,967,636,386,162,933,760
  5. Step 5: Solve for x
    x = 1,681,967,636,386,162,933,760/42,900,115,055.88
  6. Step 6: Final answer
    x = 39,206,599,660.52

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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.