Finding the Fourth Proportional to 1,337,484,064.64, 1,845,506,550.84 and 773,021,509.07
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Solution
The fourth proportional to 1,337,484,064.64, 1,845,506,550.84 and 773,021,509.07 is: 1,066,641,686.91
Step by Step Solution
- Step 1: Write the proportion equation
1,337,484,064.64 : 1,845,506,550.84 = 773,021,509.07 : x - Step 2: Convert to fraction form
1,337,484,064.64/1,845,506,550.84 = 773,021,509.07/x - Step 3: Cross multiply
1,337,484,064.64x = 1,845,506,550.84 × 773,021,509.07 - Step 4: Simplify right side
1,337,484,064.64x = 1,426,616,258,919,680,000 - Step 5: Solve for x
x = 1,426,616,258,919,680,000/1,337,484,064.64 - Step 6: Final answer
x = 1,066,641,686.91
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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.