Home / 3,779,143,643.40-5,668,715,465.10-1,919,525,296.20

Finding the Fourth Proportional to 3,779,143,643.40, 5,668,715,465.10 and 1,919,525,296.20

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Solution

The fourth proportional to 3,779,143,643.40, 5,668,715,465.10 and 1,919,525,296.20 is: 2,879,287,944.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,779,143,643.40 : 5,668,715,465.10 = 1,919,525,296.20 : x
  2. Step 2: Convert to fraction form
    3,779,143,643.40/5,668,715,465.10 = 1,919,525,296.20/x
  3. Step 3: Cross multiply
    3,779,143,643.40x = 5,668,715,465.10 × 1,919,525,296.20
  4. Step 4: Simplify right side
    3,779,143,643.40x = 10,881,242,732,219,598,848
  5. Step 5: Solve for x
    x = 10,881,242,732,219,598,848/3,779,143,643.40
  6. Step 6: Final answer
    x = 2,879,287,944.30

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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.