Home / 486,176,779.91-729,267,039.75-117,711,118.32

Finding the Fourth Proportional to 486,176,779.91, 729,267,039.75 and 117,711,118.32

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Solution

The fourth proportional to 486,176,779.91, 729,267,039.75 and 117,711,118.32 is: 176,567,130.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,176,779.91 : 729,267,039.75 = 117,711,118.32 : x
  2. Step 2: Convert to fraction form
    486,176,779.91/729,267,039.75 = 117,711,118.32/x
  3. Step 3: Cross multiply
    486,176,779.91x = 729,267,039.75 × 117,711,118.32
  4. Step 4: Simplify right side
    486,176,779.91x = 85,842,838,802,299,840
  5. Step 5: Solve for x
    x = 85,842,838,802,299,840/486,176,779.91
  6. Step 6: Final answer
    x = 176,567,130.21

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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.