Home / 955,467,766.32-1,317,866,296.93-637,767,827.89

Finding the Fourth Proportional to 955,467,766.32, 1,317,866,296.93 and 637,767,827.89

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Solution

The fourth proportional to 955,467,766.32, 1,317,866,296.93 and 637,767,827.89 is: 879,666,227.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    955,467,766.32 : 1,317,866,296.93 = 637,767,827.89 : x
  2. Step 2: Convert to fraction form
    955,467,766.32/1,317,866,296.93 = 637,767,827.89/x
  3. Step 3: Cross multiply
    955,467,766.32x = 1,317,866,296.93 × 637,767,827.89
  4. Step 4: Simplify right side
    955,467,766.32x = 840,492,725,641,192,576
  5. Step 5: Solve for x
    x = 840,492,725,641,192,576/955,467,766.32
  6. Step 6: Final answer
    x = 879,666,227.65

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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.