Finding the Fourth Proportional to 917,885,794.30, 1,376,828,691.45 and 736,487,266.30
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Solution
The fourth proportional to 917,885,794.30, 1,376,828,691.45 and 736,487,266.30 is: 1,104,730,899.45
Step by Step Solution
- Step 1: Write the proportion equation
917,885,794.30 : 1,376,828,691.45 = 736,487,266.30 : x - Step 2: Convert to fraction form
917,885,794.30/1,376,828,691.45 = 736,487,266.30/x - Step 3: Cross multiply
917,885,794.30x = 1,376,828,691.45 × 736,487,266.30 - Step 4: Simplify right side
917,885,794.30x = 1,014,016,799,129,416,704 - Step 5: Solve for x
x = 1,014,016,799,129,416,704/917,885,794.30 - Step 6: Final answer
x = 1,104,730,899.45
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.