Home / 154,525,793,316.80-231,788,689,975.20-129,730,882,020.80

Finding the Fourth Proportional to 154,525,793,316.80, 231,788,689,975.20 and 129,730,882,020.80

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Solution

The fourth proportional to 154,525,793,316.80, 231,788,689,975.20 and 129,730,882,020.80 is: 194,596,323,031.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,525,793,316.80 : 231,788,689,975.20 = 129,730,882,020.80 : x
  2. Step 2: Convert to fraction form
    154,525,793,316.80/231,788,689,975.20 = 129,730,882,020.80/x
  3. Step 3: Cross multiply
    154,525,793,316.80x = 231,788,689,975.20 × 129,730,882,020.80
  4. Step 4: Simplify right side
    154,525,793,316.80x = 30,070,151,192,928,459,948,032
  5. Step 5: Solve for x
    x = 30,070,151,192,928,459,948,032/154,525,793,316.80
  6. Step 6: Final answer
    x = 194,596,323,031.20

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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.