Home / 1,010,984,050.40-1,516,476,075.60-838,655,448.80

Finding the Fourth Proportional to 1,010,984,050.40, 1,516,476,075.60 and 838,655,448.80

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Solution

The fourth proportional to 1,010,984,050.40, 1,516,476,075.60 and 838,655,448.80 is: 1,257,983,173.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,010,984,050.40 : 1,516,476,075.60 = 838,655,448.80 : x
  2. Step 2: Convert to fraction form
    1,010,984,050.40/1,516,476,075.60 = 838,655,448.80/x
  3. Step 3: Cross multiply
    1,010,984,050.40x = 1,516,476,075.60 × 838,655,448.80
  4. Step 4: Simplify right side
    1,010,984,050.40x = 1,271,800,923,776,780,544
  5. Step 5: Solve for x
    x = 1,271,800,923,776,780,544/1,010,984,050.40
  6. Step 6: Final answer
    x = 1,257,983,173.20

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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.