Finding the Fourth Proportional to 359,502,909.68, 539,285,102.91 and 126,313,352.73
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Solution
The fourth proportional to 359,502,909.68, 539,285,102.91 and 126,313,352.73 is: 189,480,829.20
Step by Step Solution
- Step 1: Write the proportion equation
359,502,909.68 : 539,285,102.91 = 126,313,352.73 : x - Step 2: Convert to fraction form
359,502,909.68/539,285,102.91 = 126,313,352.73/x - Step 3: Cross multiply
359,502,909.68x = 539,285,102.91 × 126,313,352.73 - Step 4: Simplify right side
359,502,909.68x = 68,118,909,425,905,176 - Step 5: Solve for x
x = 68,118,909,425,905,176/359,502,909.68 - Step 6: Final answer
x = 189,480,829.20
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.