Home / 641,698,383,854.40-962,547,575,781.60-344,159,448,302.40

Finding the Fourth Proportional to 641,698,383,854.40, 962,547,575,781.60 and 344,159,448,302.40

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Solution

The fourth proportional to 641,698,383,854.40, 962,547,575,781.60 and 344,159,448,302.40 is: 516,239,172,453.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,698,383,854.40 : 962,547,575,781.60 = 344,159,448,302.40 : x
  2. Step 2: Convert to fraction form
    641,698,383,854.40/962,547,575,781.60 = 344,159,448,302.40/x
  3. Step 3: Cross multiply
    641,698,383,854.40x = 962,547,575,781.60 × 344,159,448,302.40
  4. Step 4: Simplify right side
    641,698,383,854.40x = 331,269,842,645,808,029,106,176
  5. Step 5: Solve for x
    x = 331,269,842,645,808,029,106,176/641,698,383,854.40
  6. Step 6: Final answer
    x = 516,239,172,453.60

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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.