Home / 64,587,744,007.80-96,881,616,011.70-20,435,342,292.60

Finding the Fourth Proportional to 64,587,744,007.80, 96,881,616,011.70 and 20,435,342,292.60

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Solution

The fourth proportional to 64,587,744,007.80, 96,881,616,011.70 and 20,435,342,292.60 is: 30,653,013,438.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,587,744,007.80 : 96,881,616,011.70 = 20,435,342,292.60 : x
  2. Step 2: Convert to fraction form
    64,587,744,007.80/96,881,616,011.70 = 20,435,342,292.60/x
  3. Step 3: Cross multiply
    64,587,744,007.80x = 96,881,616,011.70 × 20,435,342,292.60
  4. Step 4: Simplify right side
    64,587,744,007.80x = 1,979,808,985,059,326,164,992
  5. Step 5: Solve for x
    x = 1,979,808,985,059,326,164,992/64,587,744,007.80
  6. Step 6: Final answer
    x = 30,653,013,438.90

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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.