Home / 42,321,122,189.66-58,403,158,154.96-23,290,225,688.41

Finding the Fourth Proportional to 42,321,122,189.66, 58,403,158,154.96 and 23,290,225,688.41

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Solution

The fourth proportional to 42,321,122,189.66, 58,403,158,154.96 and 23,290,225,688.41 is: 32,140,516,696.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,321,122,189.66 : 58,403,158,154.96 = 23,290,225,688.41 : x
  2. Step 2: Convert to fraction form
    42,321,122,189.66/58,403,158,154.96 = 23,290,225,688.41/x
  3. Step 3: Cross multiply
    42,321,122,189.66x = 58,403,158,154.96 × 23,290,225,688.41
  4. Step 4: Simplify right side
    42,321,122,189.66x = 1,360,222,734,344,688,238,592
  5. Step 5: Solve for x
    x = 1,360,222,734,344,688,238,592/42,321,122,189.66
  6. Step 6: Final answer
    x = 32,140,516,696.35

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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.