Finding the Fourth Proportional to 349,655,421.60, 524,630,098.80 and 187,908,400.80
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Solution
The fourth proportional to 349,655,421.60, 524,630,098.80 and 187,908,400.80 is: 281,941,582.45
Step by Step Solution
- Step 1: Write the proportion equation
349,655,421.60 : 524,630,098.80 = 187,908,400.80 : x - Step 2: Convert to fraction form
349,655,421.60/524,630,098.80 = 187,908,400.80/x - Step 3: Cross multiply
349,655,421.60x = 524,630,098.80 × 187,908,400.80 - Step 4: Simplify right side
349,655,421.60x = 98,582,402,877,054,000 - Step 5: Solve for x
x = 98,582,402,877,054,000/349,655,421.60 - Step 6: Final answer
x = 281,941,582.45
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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.