Home / 1,420,160,897.80-2,130,241,346.70-1,075,787,129.80

Finding the Fourth Proportional to 1,420,160,897.80, 2,130,241,346.70 and 1,075,787,129.80

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Solution

The fourth proportional to 1,420,160,897.80, 2,130,241,346.70 and 1,075,787,129.80 is: 1,613,680,694.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,420,160,897.80 : 2,130,241,346.70 = 1,075,787,129.80 : x
  2. Step 2: Convert to fraction form
    1,420,160,897.80/2,130,241,346.70 = 1,075,787,129.80/x
  3. Step 3: Cross multiply
    1,420,160,897.80x = 2,130,241,346.70 × 1,075,787,129.80
  4. Step 4: Simplify right side
    1,420,160,897.80x = 2,291,686,224,147,679,744
  5. Step 5: Solve for x
    x = 2,291,686,224,147,679,744/1,420,160,897.80
  6. Step 6: Final answer
    x = 1,613,680,694.70

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Double scale
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Similar ratio
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1.5x scale

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.