Finding the Fourth Proportional to 1,160,064,893,529.40, 1,600,817,421,116.70 and 639,191,163,260.84
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Solution
The fourth proportional to 1,160,064,893,529.40, 1,600,817,421,116.70 and 639,191,163,260.84 is: 882,044,060,878.97
Step by Step Solution
- Step 1: Write the proportion equation
1,160,064,893,529.40 : 1,600,817,421,116.70 = 639,191,163,260.84 : x - Step 2: Convert to fraction form
1,160,064,893,529.40/1,600,817,421,116.70 = 639,191,163,260.84/x - Step 3: Cross multiply
1,160,064,893,529.40x = 1,600,817,421,116.70 × 639,191,163,260.84 - Step 4: Simplify right side
1,160,064,893,529.40x = 1,023,228,349,571,801,326,551,040 - Step 5: Solve for x
x = 1,023,228,349,571,801,326,551,040/1,160,064,893,529.40 - Step 6: Final answer
x = 882,044,060,878.97
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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.