Finding the Fourth Proportional to 296,985,298.08, 408,386,031.44 and 257,758,763.06
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Solution
The fourth proportional to 296,985,298.08, 408,386,031.44 and 257,758,763.06 is: 354,445,418.66
Step by Step Solution
- Step 1: Write the proportion equation
296,985,298.08 : 408,386,031.44 = 257,758,763.06 : x - Step 2: Convert to fraction form
296,985,298.08/408,386,031.44 = 257,758,763.06/x - Step 3: Cross multiply
296,985,298.08x = 408,386,031.44 × 257,758,763.06 - Step 4: Simplify right side
296,985,298.08x = 105,265,078,314,956,672 - Step 5: Solve for x
x = 105,265,078,314,956,672/296,985,298.08 - Step 6: Final answer
x = 354,445,418.66
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.