Home / 696,628,387.04-961,130,713.60-395,164,051.20

Finding the Fourth Proportional to 696,628,387.04, 961,130,713.60 and 395,164,051.20

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Solution

The fourth proportional to 696,628,387.04, 961,130,713.60 and 395,164,051.20 is: 545,203,602.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,628,387.04 : 961,130,713.60 = 395,164,051.20 : x
  2. Step 2: Convert to fraction form
    696,628,387.04/961,130,713.60 = 395,164,051.20/x
  3. Step 3: Cross multiply
    696,628,387.04x = 961,130,713.60 × 395,164,051.20
  4. Step 4: Simplify right side
    696,628,387.04x = 379,804,306,518,922,944
  5. Step 5: Solve for x
    x = 379,804,306,518,922,944/696,628,387.04
  6. Step 6: Final answer
    x = 545,203,602.93

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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.