Home / 972,725,281.59-1,459,239,087.83-326,644,191.03

Finding the Fourth Proportional to 972,725,281.59, 1,459,239,087.83 and 326,644,191.03

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Solution

The fourth proportional to 972,725,281.59, 1,459,239,087.83 and 326,644,191.03 is: 490,017,048.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,725,281.59 : 1,459,239,087.83 = 326,644,191.03 : x
  2. Step 2: Convert to fraction form
    972,725,281.59/1,459,239,087.83 = 326,644,191.03/x
  3. Step 3: Cross multiply
    972,725,281.59x = 1,459,239,087.83 × 326,644,191.03
  4. Step 4: Simplify right side
    972,725,281.59x = 476,651,971,369,286,208
  5. Step 5: Solve for x
    x = 476,651,971,369,286,208/972,725,281.59
  6. Step 6: Final answer
    x = 490,017,048.38

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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.