Home / 1,180,980,829.60-1,771,471,244.40-404,368,381.60

Finding the Fourth Proportional to 1,180,980,829.60, 1,771,471,244.40 and 404,368,381.60

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Solution

The fourth proportional to 1,180,980,829.60, 1,771,471,244.40 and 404,368,381.60 is: 606,552,572.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,180,980,829.60 : 1,771,471,244.40 = 404,368,381.60 : x
  2. Step 2: Convert to fraction form
    1,180,980,829.60/1,771,471,244.40 = 404,368,381.60/x
  3. Step 3: Cross multiply
    1,180,980,829.60x = 1,771,471,244.40 × 404,368,381.60
  4. Step 4: Simplify right side
    1,180,980,829.60x = 716,326,960,148,966,144
  5. Step 5: Solve for x
    x = 716,326,960,148,966,144/1,180,980,829.60
  6. Step 6: Final answer
    x = 606,552,572.40

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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.