Home / 1,300,748,142.53-1,794,985,992.63-736,220,903.58

Finding the Fourth Proportional to 1,300,748,142.53, 1,794,985,992.63 and 736,220,903.58

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Solution

The fourth proportional to 1,300,748,142.53, 1,794,985,992.63 and 736,220,903.58 is: 1,015,958,559.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,300,748,142.53 : 1,794,985,992.63 = 736,220,903.58 : x
  2. Step 2: Convert to fraction form
    1,300,748,142.53/1,794,985,992.63 = 736,220,903.58/x
  3. Step 3: Cross multiply
    1,300,748,142.53x = 1,794,985,992.63 × 736,220,903.58
  4. Step 4: Simplify right side
    1,300,748,142.53x = 1,321,506,209,407,502,080
  5. Step 5: Solve for x
    x = 1,321,506,209,407,502,080/1,300,748,142.53
  6. Step 6: Final answer
    x = 1,015,958,559.70

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Double scale
Find fourth proportional to 1,300,748,143.53, 1,794,985,994.01 and 736,220,904.58
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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.