Home / 1,430,206,968.16-2,144,153,266.80-447,127,723.36

Finding the Fourth Proportional to 1,430,206,968.16, 2,144,153,266.80 and 447,127,723.36

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Solution

The fourth proportional to 1,430,206,968.16, 2,144,153,266.80 and 447,127,723.36 is: 670,329,812.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,430,206,968.16 : 2,144,153,266.80 = 447,127,723.36 : x
  2. Step 2: Convert to fraction form
    1,430,206,968.16/2,144,153,266.80 = 447,127,723.36/x
  3. Step 3: Cross multiply
    1,430,206,968.16x = 2,144,153,266.80 × 447,127,723.36
  4. Step 4: Simplify right side
    1,430,206,968.16x = 958,710,368,719,190,656
  5. Step 5: Solve for x
    x = 958,710,368,719,190,656/1,430,206,968.16
  6. Step 6: Final answer
    x = 670,329,812.44

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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.