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Finding the Fourth Proportional to 637,852,833.60, 893,598,628.80 and 637,852,833.60

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Solution

The fourth proportional to 637,852,833.60, 893,598,628.80 and 637,852,833.60 is: 893,598,628.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,852,833.60 : 893,598,628.80 = 637,852,833.60 : x
  2. Step 2: Convert to fraction form
    637,852,833.60/893,598,628.80 = 637,852,833.60/x
  3. Step 3: Cross multiply
    637,852,833.60x = 893,598,628.80 × 637,852,833.60
  4. Step 4: Simplify right side
    637,852,833.60x = 569,984,417,481,154,560
  5. Step 5: Solve for x
    x = 569,984,417,481,154,560/637,852,833.60
  6. Step 6: Final answer
    x = 893,598,628.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.