Finding the Fourth Proportional to 545,247,465,433.20, 817,484,214,623.40 and 209,732,748,044.40
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Solution
The fourth proportional to 545,247,465,433.20, 817,484,214,623.40 and 209,732,748,044.40 is: 314,450,266,503.60
Step by Step Solution
- Step 1: Write the proportion equation
545,247,465,433.20 : 817,484,214,623.40 = 209,732,748,044.40 : x - Step 2: Convert to fraction form
545,247,465,433.20/817,484,214,623.40 = 209,732,748,044.40/x - Step 3: Cross multiply
545,247,465,433.20x = 817,484,214,623.40 × 209,732,748,044.40 - Step 4: Simplify right side
545,247,465,433.20x = 171,453,210,815,883,770,855,424 - Step 5: Solve for x
x = 171,453,210,815,883,770,855,424/545,247,465,433.20 - Step 6: Final answer
x = 314,450,266,503.60
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1.5x scale
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.