Finding the Fourth Proportional to 679,774,687,051.80, 938,512,506,025.93 and 432,716,416,101.38
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Solution
The fourth proportional to 679,774,687,051.80, 938,512,506,025.93 and 432,716,416,101.38 is: 597,418,197,248.82
Step by Step Solution
- Step 1: Write the proportion equation
679,774,687,051.80 : 938,512,506,025.93 = 432,716,416,101.38 : x - Step 2: Convert to fraction form
679,774,687,051.80/938,512,506,025.93 = 432,716,416,101.38/x - Step 3: Cross multiply
679,774,687,051.80x = 938,512,506,025.93 × 432,716,416,101.38 - Step 4: Simplify right side
679,774,687,051.80x = 406,109,768,073,865,269,870,592 - Step 5: Solve for x
x = 406,109,768,073,865,269,870,592/679,774,687,051.80 - Step 6: Final answer
x = 597,418,197,248.82
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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.