Home / 745,030,448.67-1,028,165,314.02-427,548,776.25

Finding the Fourth Proportional to 745,030,448.67, 1,028,165,314.02 and 427,548,776.25

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Solution

The fourth proportional to 745,030,448.67, 1,028,165,314.02 and 427,548,776.25 is: 590,030,679.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,030,448.67 : 1,028,165,314.02 = 427,548,776.25 : x
  2. Step 2: Convert to fraction form
    745,030,448.67/1,028,165,314.02 = 427,548,776.25/x
  3. Step 3: Cross multiply
    745,030,448.67x = 1,028,165,314.02 × 427,548,776.25
  4. Step 4: Simplify right side
    745,030,448.67x = 439,590,821,791,947,968
  5. Step 5: Solve for x
    x = 439,590,821,791,947,968/745,030,448.67
  6. Step 6: Final answer
    x = 590,030,679.39

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Double scale
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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.