Finding the Fourth Proportional to 896,806,828.80, 1,345,210,243.20 and 483,558,307.20
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Solution
The fourth proportional to 896,806,828.80, 1,345,210,243.20 and 483,558,307.20 is: 725,337,460.80
Step by Step Solution
- Step 1: Write the proportion equation
896,806,828.80 : 1,345,210,243.20 = 483,558,307.20 : x - Step 2: Convert to fraction form
896,806,828.80/1,345,210,243.20 = 483,558,307.20/x - Step 3: Cross multiply
896,806,828.80x = 1,345,210,243.20 × 483,558,307.20 - Step 4: Simplify right side
896,806,828.80x = 650,487,588,029,892,352 - Step 5: Solve for x
x = 650,487,588,029,892,352/896,806,828.80 - Step 6: Final answer
x = 725,337,460.80
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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.