Finding the Fourth Proportional to 817,675,293,487.60, 1,225,416,593,889.60 and 636,377,048,515.48
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Solution
The fourth proportional to 817,675,293,487.60, 1,225,416,593,889.60 and 636,377,048,515.48 is: 953,712,312,738.70
Step by Step Solution
- Step 1: Write the proportion equation
817,675,293,487.60 : 1,225,416,593,889.60 = 636,377,048,515.48 : x - Step 2: Convert to fraction form
817,675,293,487.60/1,225,416,593,889.60 = 636,377,048,515.48/x - Step 3: Cross multiply
817,675,293,487.60x = 1,225,416,593,889.60 × 636,377,048,515.48 - Step 4: Simplify right side
817,675,293,487.60x = 779,826,995,221,356,288,671,744 - Step 5: Solve for x
x = 779,826,995,221,356,288,671,744/817,675,293,487.60 - Step 6: Final answer
x = 953,712,312,738.70
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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.