Home / 1,000,148,672.90-1,500,279,696.40-310,154,022.02

Finding the Fourth Proportional to 1,000,148,672.90, 1,500,279,696.40 and 310,154,022.02

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Solution

The fourth proportional to 1,000,148,672.90, 1,500,279,696.40 and 310,154,022.02 is: 465,248,612.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,000,148,672.90 : 1,500,279,696.40 = 310,154,022.02 : x
  2. Step 2: Convert to fraction form
    1,000,148,672.90/1,500,279,696.40 = 310,154,022.02/x
  3. Step 3: Cross multiply
    1,000,148,672.90x = 1,500,279,696.40 × 310,154,022.02
  4. Step 4: Simplify right side
    1,000,148,672.90x = 465,317,781,993,404,544
  5. Step 5: Solve for x
    x = 465,317,781,993,404,544/1,000,148,672.90
  6. Step 6: Final answer
    x = 465,248,612.13

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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.