Home / 478,636,724.70-717,955,087.05-249,054,212.70

Finding the Fourth Proportional to 478,636,724.70, 717,955,087.05 and 249,054,212.70

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Solution

The fourth proportional to 478,636,724.70, 717,955,087.05 and 249,054,212.70 is: 373,581,319.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,636,724.70 : 717,955,087.05 = 249,054,212.70 : x
  2. Step 2: Convert to fraction form
    478,636,724.70/717,955,087.05 = 249,054,212.70/x
  3. Step 3: Cross multiply
    478,636,724.70x = 717,955,087.05 × 249,054,212.70
  4. Step 4: Simplify right side
    478,636,724.70x = 178,809,738,959,197,696
  5. Step 5: Solve for x
    x = 178,809,738,959,197,696/478,636,724.70
  6. Step 6: Final answer
    x = 373,581,319.05

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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.