Finding the Fourth Proportional to 456,919,835,031.18, 630,540,889,590.51 and 251,149,675,474.71
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Solution
The fourth proportional to 456,919,835,031.18, 630,540,889,590.51 and 251,149,675,474.71 is: 346,581,889,541.71
Step by Step Solution
- Step 1: Write the proportion equation
456,919,835,031.18 : 630,540,889,590.51 = 251,149,675,474.71 : x - Step 2: Convert to fraction form
456,919,835,031.18/630,540,889,590.51 = 251,149,675,474.71/x - Step 3: Cross multiply
456,919,835,031.18x = 630,540,889,590.51 × 251,149,675,474.71 - Step 4: Simplify right side
456,919,835,031.18x = 158,360,139,794,191,543,697,408 - Step 5: Solve for x
x = 158,360,139,794,191,543,697,408/456,919,835,031.18 - Step 6: Final answer
x = 346,581,889,541.71
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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.