Finding the Fourth Proportional to 954,578,875.10, 1,317,433,526.76 and 578,224,420.09
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Solution
The fourth proportional to 954,578,875.10, 1,317,433,526.76 and 578,224,420.09 is: 798,019,165.19
Step by Step Solution
- Step 1: Write the proportion equation
954,578,875.10 : 1,317,433,526.76 = 578,224,420.09 : x - Step 2: Convert to fraction form
954,578,875.10/1,317,433,526.76 = 578,224,420.09/x - Step 3: Cross multiply
954,578,875.10x = 1,317,433,526.76 × 578,224,420.09 - Step 4: Simplify right side
954,578,875.10x = 761,772,237,017,924,480 - Step 5: Solve for x
x = 761,772,237,017,924,480/954,578,875.10 - Step 6: Final answer
x = 798,019,165.19
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Double scale
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1.5x scale
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.