Finding the Fourth Proportional to 609,516,996.41, 841,119,148.72 and 358,637,637.53
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Solution
The fourth proportional to 609,516,996.41, 841,119,148.72 and 358,637,637.53 is: 494,911,522.00
Step by Step Solution
- Step 1: Write the proportion equation
609,516,996.41 : 841,119,148.72 = 358,637,637.53 : x - Step 2: Convert to fraction form
609,516,996.41/841,119,148.72 = 358,637,637.53/x - Step 3: Cross multiply
609,516,996.41x = 841,119,148.72 × 358,637,637.53 - Step 4: Simplify right side
609,516,996.41x = 301,656,984,378,185,536 - Step 5: Solve for x
x = 301,656,984,378,185,536/609,516,996.41 - Step 6: Final answer
x = 494,911,522.00
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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.