Home / 1,048,790,717.20-1,573,186,075.80-661,051,363.60

Finding the Fourth Proportional to 1,048,790,717.20, 1,573,186,075.80 and 661,051,363.60

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Solution

The fourth proportional to 1,048,790,717.20, 1,573,186,075.80 and 661,051,363.60 is: 991,577,045.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,048,790,717.20 : 1,573,186,075.80 = 661,051,363.60 : x
  2. Step 2: Convert to fraction form
    1,048,790,717.20/1,573,186,075.80 = 661,051,363.60/x
  3. Step 3: Cross multiply
    1,048,790,717.20x = 1,573,186,075.80 × 661,051,363.60
  4. Step 4: Simplify right side
    1,048,790,717.20x = 1,039,956,800,604,123,008
  5. Step 5: Solve for x
    x = 1,039,956,800,604,123,008/1,048,790,717.20
  6. Step 6: Final answer
    x = 991,577,045.40

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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.