Home / 1,420,160,908.80-2,130,241,363.20-1,075,787,140.80

Finding the Fourth Proportional to 1,420,160,908.80, 2,130,241,363.20 and 1,075,787,140.80

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Solution

The fourth proportional to 1,420,160,908.80, 2,130,241,363.20 and 1,075,787,140.80 is: 1,613,680,711.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,420,160,908.80 : 2,130,241,363.20 = 1,075,787,140.80 : x
  2. Step 2: Convert to fraction form
    1,420,160,908.80/2,130,241,363.20 = 1,075,787,140.80/x
  3. Step 3: Cross multiply
    1,420,160,908.80x = 2,130,241,363.20 × 1,075,787,140.80
  4. Step 4: Simplify right side
    1,420,160,908.80x = 2,291,686,265,330,822,400
  5. Step 5: Solve for x
    x = 2,291,686,265,330,822,400/1,420,160,908.80
  6. Step 6: Final answer
    x = 1,613,680,711.20

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Double scale
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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.