Home / 434,122,750,612.36-598,673,628,915.78-287,402,958,676.36

Finding the Fourth Proportional to 434,122,750,612.36, 598,673,628,915.78 and 287,402,958,676.36

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Solution

The fourth proportional to 434,122,750,612.36, 598,673,628,915.78 and 287,402,958,676.36 is: 396,340,832,147.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,122,750,612.36 : 598,673,628,915.78 = 287,402,958,676.36 : x
  2. Step 2: Convert to fraction form
    434,122,750,612.36/598,673,628,915.78 = 287,402,958,676.36/x
  3. Step 3: Cross multiply
    434,122,750,612.36x = 598,673,628,915.78 × 287,402,958,676.36
  4. Step 4: Simplify right side
    434,122,750,612.36x = 172,060,572,231,908,395,581,440
  5. Step 5: Solve for x
    x = 172,060,572,231,908,395,581,440/434,122,750,612.36
  6. Step 6: Final answer
    x = 396,340,832,147.60

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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.