Home / 972,655,538.67-1,342,262,868.93-526,618,847.25

Finding the Fourth Proportional to 972,655,538.67, 1,342,262,868.93 and 526,618,847.25

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Solution

The fourth proportional to 972,655,538.67, 1,342,262,868.93 and 526,618,847.25 is: 726,733,048.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,655,538.67 : 1,342,262,868.93 = 526,618,847.25 : x
  2. Step 2: Convert to fraction form
    972,655,538.67/1,342,262,868.93 = 526,618,847.25/x
  3. Step 3: Cross multiply
    972,655,538.67x = 1,342,262,868.93 × 526,618,847.25
  4. Step 4: Simplify right side
    972,655,538.67x = 706,860,924,742,394,496
  5. Step 5: Solve for x
    x = 706,860,924,742,394,496/972,655,538.67
  6. Step 6: Final answer
    x = 726,733,048.48

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.