Home / 1,465,685,916.72-2,022,637,130.97-839,275,413.72

Finding the Fourth Proportional to 1,465,685,916.72, 2,022,637,130.97 and 839,275,413.72

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Solution

The fourth proportional to 1,465,685,916.72, 2,022,637,130.97 and 839,275,413.72 is: 1,158,194,668.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,465,685,916.72 : 2,022,637,130.97 = 839,275,413.72 : x
  2. Step 2: Convert to fraction form
    1,465,685,916.72/2,022,637,130.97 = 839,275,413.72/x
  3. Step 3: Cross multiply
    1,465,685,916.72x = 2,022,637,130.97 × 839,275,413.72
  4. Step 4: Simplify right side
    1,465,685,916.72x = 1,697,549,614,900,280,576
  5. Step 5: Solve for x
    x = 1,697,549,614,900,280,576/1,465,685,916.72
  6. Step 6: Final answer
    x = 1,158,194,668.81

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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.