Home / 641,698,383,638.40-962,547,575,457.60-344,159,448,086.40

Finding the Fourth Proportional to 641,698,383,638.40, 962,547,575,457.60 and 344,159,448,086.40

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Solution

The fourth proportional to 641,698,383,638.40, 962,547,575,457.60 and 344,159,448,086.40 is: 516,239,172,129.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,698,383,638.40 : 962,547,575,457.60 = 344,159,448,086.40 : x
  2. Step 2: Convert to fraction form
    641,698,383,638.40/962,547,575,457.60 = 344,159,448,086.40/x
  3. Step 3: Cross multiply
    641,698,383,638.40x = 962,547,575,457.60 × 344,159,448,086.40
  4. Step 4: Simplify right side
    641,698,383,638.40x = 331,269,842,326,390,103,343,104
  5. Step 5: Solve for x
    x = 331,269,842,326,390,103,343,104/641,698,383,638.40
  6. Step 6: Final answer
    x = 516,239,172,129.60

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Double scale
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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.