Home / 882,657,020.43-1,218,066,683.63-511,594,285.41

Finding the Fourth Proportional to 882,657,020.43, 1,218,066,683.63 and 511,594,285.41

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Solution

The fourth proportional to 882,657,020.43, 1,218,066,683.63 and 511,594,285.41 is: 706,000,111.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    882,657,020.43 : 1,218,066,683.63 = 511,594,285.41 : x
  2. Step 2: Convert to fraction form
    882,657,020.43/1,218,066,683.63 = 511,594,285.41/x
  3. Step 3: Cross multiply
    882,657,020.43x = 1,218,066,683.63 × 511,594,285.41
  4. Step 4: Simplify right side
    882,657,020.43x = 623,155,954,590,860,416
  5. Step 5: Solve for x
    x = 623,155,954,590,860,416/882,657,020.43
  6. Step 6: Final answer
    x = 706,000,111.22

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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.