Finding the Fourth Proportional to 581,730,733.08, 872,531,641.49 and 208,223,701.61
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Solution
The fourth proportional to 581,730,733.08, 872,531,641.49 and 208,223,701.61 is: 312,312,480.37
Step by Step Solution
- Step 1: Write the proportion equation
581,730,733.08 : 872,531,641.49 = 208,223,701.61 : x - Step 2: Convert to fraction form
581,730,733.08/872,531,641.49 = 208,223,701.61/x - Step 3: Cross multiply
581,730,733.08x = 872,531,641.49 × 208,223,701.61 - Step 4: Simplify right side
581,730,733.08x = 181,681,768,157,493,472 - Step 5: Solve for x
x = 181,681,768,157,493,472/581,730,733.08 - Step 6: Final answer
x = 312,312,480.37
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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.