Finding the Fourth Proportional to 316,739,498.84, 475,382,774.24 and 219,763,307.66
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Solution
The fourth proportional to 316,739,498.84, 475,382,774.24 and 219,763,307.66 is: 329,834,741.97
Step by Step Solution
- Step 1: Write the proportion equation
316,739,498.84 : 475,382,774.24 = 219,763,307.66 : x - Step 2: Convert to fraction form
316,739,498.84/475,382,774.24 = 219,763,307.66/x - Step 3: Cross multiply
316,739,498.84x = 475,382,774.24 × 219,763,307.66 - Step 4: Simplify right side
316,739,498.84x = 104,471,690,871,569,440 - Step 5: Solve for x
x = 104,471,690,871,569,440/316,739,498.84 - Step 6: Final answer
x = 329,834,741.97
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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.