Finding the Fourth Proportional to 553,811,306.76, 764,494,926.57 and 345,070,584
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Solution
The fourth proportional to 553,811,306.76, 764,494,926.57 and 345,070,584 is: 476,344,031.90
Step by Step Solution
- Step 1: Write the proportion equation
553,811,306.76 : 764,494,926.57 = 345,070,584 : x - Step 2: Convert to fraction form
553,811,306.76/764,494,926.57 = 345,070,584/x - Step 3: Cross multiply
553,811,306.76x = 764,494,926.57 × 345,070,584 - Step 4: Simplify right side
553,811,306.76x = 263,804,710,776,547,040 - Step 5: Solve for x
x = 263,804,710,776,547,040/553,811,306.76 - Step 6: Final answer
x = 476,344,031.90
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.