Home / 955,461,148.65-1,317,857,180.94-637,761,215.25

Finding the Fourth Proportional to 955,461,148.65, 1,317,857,180.94 and 637,761,215.25

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Solution

The fourth proportional to 955,461,148.65, 1,317,857,180.94 and 637,761,215.25 is: 879,657,114.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    955,461,148.65 : 1,317,857,180.94 = 637,761,215.25 : x
  2. Step 2: Convert to fraction form
    955,461,148.65/1,317,857,180.94 = 637,761,215.25/x
  3. Step 3: Cross multiply
    955,461,148.65x = 1,317,857,180.94 × 637,761,215.25
  4. Step 4: Simplify right side
    955,461,148.65x = 840,478,197,242,233,600
  5. Step 5: Solve for x
    x = 840,478,197,242,233,600/955,461,148.65
  6. Step 6: Final answer
    x = 879,657,114.71

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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.