Finding the Fourth Proportional to 545,031,623.70, 817,547,435.55 and 545,031,623.70
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Solution
The fourth proportional to 545,031,623.70, 817,547,435.55 and 545,031,623.70 is: 817,547,435.55
Step by Step Solution
- Step 1: Write the proportion equation
545,031,623.70 : 817,547,435.55 = 545,031,623.70 : x - Step 2: Convert to fraction form
545,031,623.70/817,547,435.55 = 545,031,623.70/x - Step 3: Cross multiply
545,031,623.70x = 817,547,435.55 × 545,031,623.70 - Step 4: Simplify right side
545,031,623.70x = 445,589,206,249,587,584 - Step 5: Solve for x
x = 445,589,206,249,587,584/545,031,623.70 - Step 6: Final answer
x = 817,547,435.55
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.