Home / 1,513,361,523.60-2,270,042,285.40-816,004,643.40

Finding the Fourth Proportional to 1,513,361,523.60, 2,270,042,285.40 and 816,004,643.40

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Solution

The fourth proportional to 1,513,361,523.60, 2,270,042,285.40 and 816,004,643.40 is: 1,224,006,965.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,513,361,523.60 : 2,270,042,285.40 = 816,004,643.40 : x
  2. Step 2: Convert to fraction form
    1,513,361,523.60/2,270,042,285.40 = 816,004,643.40/x
  3. Step 3: Cross multiply
    1,513,361,523.60x = 2,270,042,285.40 × 816,004,643.40
  4. Step 4: Simplify right side
    1,513,361,523.60x = 1,852,365,045,600,748,032
  5. Step 5: Solve for x
    x = 1,852,365,045,600,748,032/1,513,361,523.60
  6. Step 6: Final answer
    x = 1,224,006,965.10

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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.