Home / 875,594,079.82-1,208,346,933.63-479,133,779.41

Finding the Fourth Proportional to 875,594,079.82, 1,208,346,933.63 and 479,133,779.41

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Solution

The fourth proportional to 875,594,079.82, 1,208,346,933.63 and 479,133,779.41 is: 661,219,446.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,594,079.82 : 1,208,346,933.63 = 479,133,779.41 : x
  2. Step 2: Convert to fraction form
    875,594,079.82/1,208,346,933.63 = 479,133,779.41/x
  3. Step 3: Cross multiply
    875,594,079.82x = 1,208,346,933.63 × 479,133,779.41
  4. Step 4: Simplify right side
    875,594,079.82x = 578,959,833,151,909,504
  5. Step 5: Solve for x
    x = 578,959,833,151,909,504/875,594,079.82
  6. Step 6: Final answer
    x = 661,219,446.88

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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.