Home / 652,779,075.40-900,857,233.20-355,432,849.54

Finding the Fourth Proportional to 652,779,075.40, 900,857,233.20 and 355,432,849.54

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Solution

The fourth proportional to 652,779,075.40, 900,857,233.20 and 355,432,849.54 is: 490,509,370.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,779,075.40 : 900,857,233.20 = 355,432,849.54 : x
  2. Step 2: Convert to fraction form
    652,779,075.40/900,857,233.20 = 355,432,849.54/x
  3. Step 3: Cross multiply
    652,779,075.40x = 900,857,233.20 × 355,432,849.54
  4. Step 4: Simplify right side
    652,779,075.40x = 320,194,253,424,077,056
  5. Step 5: Solve for x
    x = 320,194,253,424,077,056/652,779,075.40
  6. Step 6: Final answer
    x = 490,509,370.62

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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.