Home / 745,702,711.04-1,118,876,621.73-400,252,775.02

Finding the Fourth Proportional to 745,702,711.04, 1,118,876,621.73 and 400,252,775.02

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Solution

The fourth proportional to 745,702,711.04, 1,118,876,621.73 and 400,252,775.02 is: 600,552,292.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,702,711.04 : 1,118,876,621.73 = 400,252,775.02 : x
  2. Step 2: Convert to fraction form
    745,702,711.04/1,118,876,621.73 = 400,252,775.02/x
  3. Step 3: Cross multiply
    745,702,711.04x = 1,118,876,621.73 × 400,252,775.02
  4. Step 4: Simplify right side
    745,702,711.04x = 447,833,472,748,117,184
  5. Step 5: Solve for x
    x = 447,833,472,748,117,184/745,702,711.04
  6. Step 6: Final answer
    x = 600,552,292.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.