Home / 745,030,444.19-1,028,165,307.80-427,548,771.77

Finding the Fourth Proportional to 745,030,444.19, 1,028,165,307.80 and 427,548,771.77

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Solution

The fourth proportional to 745,030,444.19, 1,028,165,307.80 and 427,548,771.77 is: 590,030,673.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,030,444.19 : 1,028,165,307.80 = 427,548,771.77 : x
  2. Step 2: Convert to fraction form
    745,030,444.19/1,028,165,307.80 = 427,548,771.77/x
  3. Step 3: Cross multiply
    745,030,444.19x = 1,028,165,307.80 × 427,548,771.77
  4. Step 4: Simplify right side
    745,030,444.19x = 439,590,814,519,135,424
  5. Step 5: Solve for x
    x = 439,590,814,519,135,424/745,030,444.19
  6. Step 6: Final answer
    x = 590,030,673.18

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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.