Home / 10,143,113,685.65-13,997,513,352.93-5,626,992,855.40

Finding the Fourth Proportional to 10,143,113,685.65, 13,997,513,352.93 and 5,626,992,855.40

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Solution

The fourth proportional to 10,143,113,685.65, 13,997,513,352.93 and 5,626,992,855.40 is: 7,765,259,275.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,143,113,685.65 : 13,997,513,352.93 = 5,626,992,855.40 : x
  2. Step 2: Convert to fraction form
    10,143,113,685.65/13,997,513,352.93 = 5,626,992,855.40/x
  3. Step 3: Cross multiply
    10,143,113,685.65x = 13,997,513,352.93 × 5,626,992,855.40
  4. Step 4: Simplify right side
    10,143,113,685.65x = 78,763,907,630,245,707,776
  5. Step 5: Solve for x
    x = 78,763,907,630,245,707,776/10,143,113,685.65
  6. Step 6: Final answer
    x = 7,765,259,275.53

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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.