Home / 9,030,375,412.55-12,459,106,587.53-5,218,509,659.03

Finding the Fourth Proportional to 9,030,375,412.55, 12,459,106,587.53 and 5,218,509,659.03

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Solution

The fourth proportional to 9,030,375,412.55, 12,459,106,587.53 and 5,218,509,659.03 is: 7,199,918,619.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,030,375,412.55 : 12,459,106,587.53 = 5,218,509,659.03 : x
  2. Step 2: Convert to fraction form
    9,030,375,412.55/12,459,106,587.53 = 5,218,509,659.03/x
  3. Step 3: Cross multiply
    9,030,375,412.55x = 12,459,106,587.53 × 5,218,509,659.03
  4. Step 4: Simplify right side
    9,030,375,412.55x = 65,017,968,069,883,510,784
  5. Step 5: Solve for x
    x = 65,017,968,069,883,510,784/9,030,375,412.55
  6. Step 6: Final answer
    x = 7,199,918,619.06

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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.