Home / 1,119,745,631.60-1,679,618,447.40-1,047,186,220.40

Finding the Fourth Proportional to 1,119,745,631.60, 1,679,618,447.40 and 1,047,186,220.40

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Solution

The fourth proportional to 1,119,745,631.60, 1,679,618,447.40 and 1,047,186,220.40 is: 1,570,779,330.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,745,631.60 : 1,679,618,447.40 = 1,047,186,220.40 : x
  2. Step 2: Convert to fraction form
    1,119,745,631.60/1,679,618,447.40 = 1,047,186,220.40/x
  3. Step 3: Cross multiply
    1,119,745,631.60x = 1,679,618,447.40 × 1,047,186,220.40
  4. Step 4: Simplify right side
    1,119,745,631.60x = 1,758,873,293,646,922,240
  5. Step 5: Solve for x
    x = 1,758,873,293,646,922,240/1,119,745,631.60
  6. Step 6: Final answer
    x = 1,570,779,330.60

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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.