Home / 478,636,724.20-717,955,086.30-249,054,212.20

Finding the Fourth Proportional to 478,636,724.20, 717,955,086.30 and 249,054,212.20

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Solution

The fourth proportional to 478,636,724.20, 717,955,086.30 and 249,054,212.20 is: 373,581,318.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,636,724.20 : 717,955,086.30 = 249,054,212.20 : x
  2. Step 2: Convert to fraction form
    478,636,724.20/717,955,086.30 = 249,054,212.20/x
  3. Step 3: Cross multiply
    478,636,724.20x = 717,955,086.30 × 249,054,212.20
  4. Step 4: Simplify right side
    478,636,724.20x = 178,809,738,413,429,504
  5. Step 5: Solve for x
    x = 178,809,738,413,429,504/478,636,724.20
  6. Step 6: Final answer
    x = 373,581,318.30

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1.5x scale

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.