Home / 28,166,616,013.80-42,249,924,020.70-26,038,206,618.60

Finding the Fourth Proportional to 28,166,616,013.80, 42,249,924,020.70 and 26,038,206,618.60

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Solution

The fourth proportional to 28,166,616,013.80, 42,249,924,020.70 and 26,038,206,618.60 is: 39,057,309,927.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,166,616,013.80 : 42,249,924,020.70 = 26,038,206,618.60 : x
  2. Step 2: Convert to fraction form
    28,166,616,013.80/42,249,924,020.70 = 26,038,206,618.60/x
  3. Step 3: Cross multiply
    28,166,616,013.80x = 42,249,924,020.70 × 26,038,206,618.60
  4. Step 4: Simplify right side
    28,166,616,013.80x = 1,100,112,251,271,137,722,368
  5. Step 5: Solve for x
    x = 1,100,112,251,271,137,722,368/28,166,616,013.80
  6. Step 6: Final answer
    x = 39,057,309,927.90

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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.