Finding the Fourth Proportional to 609,205,972.08, 841,492,853.64 and 503,785,210.80
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Solution
The fourth proportional to 609,205,972.08, 841,492,853.64 and 503,785,210.80 is: 695,875,736.76
Step by Step Solution
- Step 1: Write the proportion equation
609,205,972.08 : 841,492,853.64 = 503,785,210.80 : x - Step 2: Convert to fraction form
609,205,972.08/841,492,853.64 = 503,785,210.80/x - Step 3: Cross multiply
609,205,972.08x = 841,492,853.64 × 503,785,210.80 - Step 4: Simplify right side
609,205,972.08x = 423,931,654,657,720,960 - Step 5: Solve for x
x = 423,931,654,657,720,960/609,205,972.08 - Step 6: Final answer
x = 695,875,736.76
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.