Home / 710,878,014.96-1,066,363,809.12-186,259,962.48

Finding the Fourth Proportional to 710,878,014.96, 1,066,363,809.12 and 186,259,962.48

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Solution

The fourth proportional to 710,878,014.96, 1,066,363,809.12 and 186,259,962.48 is: 279,402,202.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,878,014.96 : 1,066,363,809.12 = 186,259,962.48 : x
  2. Step 2: Convert to fraction form
    710,878,014.96/1,066,363,809.12 = 186,259,962.48/x
  3. Step 3: Cross multiply
    710,878,014.96x = 1,066,363,809.12 × 186,259,962.48
  4. Step 4: Simplify right side
    710,878,014.96x = 198,620,883,076,721,056
  5. Step 5: Solve for x
    x = 198,620,883,076,721,056/710,878,014.96
  6. Step 6: Final answer
    x = 279,402,202.48

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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.