Home / 530,649,307,357.40-795,973,961,036.10-436,428,644,432.60

Finding the Fourth Proportional to 530,649,307,357.40, 795,973,961,036.10 and 436,428,644,432.60

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Solution

The fourth proportional to 530,649,307,357.40, 795,973,961,036.10 and 436,428,644,432.60 is: 654,642,966,648.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,649,307,357.40 : 795,973,961,036.10 = 436,428,644,432.60 : x
  2. Step 2: Convert to fraction form
    530,649,307,357.40/795,973,961,036.10 = 436,428,644,432.60/x
  3. Step 3: Cross multiply
    530,649,307,357.40x = 795,973,961,036.10 × 436,428,644,432.60
  4. Step 4: Simplify right side
    530,649,307,357.40x = 347,385,836,818,632,233,975,808
  5. Step 5: Solve for x
    x = 347,385,836,818,632,233,975,808/530,649,307,357.40
  6. Step 6: Final answer
    x = 654,642,966,648.90

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Double scale
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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.