Finding the Fourth Proportional to 897,745,980.29, 1,346,747,488.81 and 276,013,417.19
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Solution
The fourth proportional to 897,745,980.29, 1,346,747,488.81 and 276,013,417.19 is: 414,059,638.96
Step by Step Solution
- Step 1: Write the proportion equation
897,745,980.29 : 1,346,747,488.81 = 276,013,417.19 : x - Step 2: Convert to fraction form
897,745,980.29/1,346,747,488.81 = 276,013,417.19/x - Step 3: Cross multiply
897,745,980.29x = 1,346,747,488.81 × 276,013,417.19 - Step 4: Simplify right side
897,745,980.29x = 371,720,376,471,075,584 - Step 5: Solve for x
x = 371,720,376,471,075,584/897,745,980.29 - Step 6: Final answer
x = 414,059,638.96
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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.