Finding the Fourth Proportional to 288,494,615.52, 431,707,513.68 and 249,766,282.08
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Solution
The fourth proportional to 288,494,615.52, 431,707,513.68 and 249,766,282.08 is: 373,753,875.59
Step by Step Solution
- Step 1: Write the proportion equation
288,494,615.52 : 431,707,513.68 = 249,766,282.08 : x - Step 2: Convert to fraction form
288,494,615.52/431,707,513.68 = 249,766,282.08/x - Step 3: Cross multiply
288,494,615.52x = 431,707,513.68 × 249,766,282.08 - Step 4: Simplify right side
288,494,615.52x = 107,825,980,637,854,352 - Step 5: Solve for x
x = 107,825,980,637,854,352/288,494,615.52 - Step 6: Final answer
x = 373,753,875.59
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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.