Finding the Fourth Proportional to 913,839,670,045.80, 1,261,081,779,158.20 and 502,299,350,932.92
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Solution
The fourth proportional to 913,839,670,045.80, 1,261,081,779,158.20 and 502,299,350,932.92 is: 693,163,779,060.66
Step by Step Solution
- Step 1: Write the proportion equation
913,839,670,045.80 : 1,261,081,779,158.20 = 502,299,350,932.92 : x - Step 2: Convert to fraction form
913,839,670,045.80/1,261,081,779,158.20 = 502,299,350,932.92/x - Step 3: Cross multiply
913,839,670,045.80x = 1,261,081,779,158.20 × 502,299,350,932.92 - Step 4: Simplify right side
913,839,670,045.80x = 633,440,559,144,495,803,793,408 - Step 5: Solve for x
x = 633,440,559,144,495,803,793,408/913,839,670,045.80 - Step 6: Final answer
x = 693,163,779,060.66
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.