Home / 626,147,215.20-939,220,822.80-572,577,962.40

Finding the Fourth Proportional to 626,147,215.20, 939,220,822.80 and 572,577,962.40

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Solution

The fourth proportional to 626,147,215.20, 939,220,822.80 and 572,577,962.40 is: 858,866,943.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,147,215.20 : 939,220,822.80 = 572,577,962.40 : x
  2. Step 2: Convert to fraction form
    626,147,215.20/939,220,822.80 = 572,577,962.40/x
  3. Step 3: Cross multiply
    626,147,215.20x = 939,220,822.80 × 572,577,962.40
  4. Step 4: Simplify right side
    626,147,215.20x = 537,777,144,962,475,392
  5. Step 5: Solve for x
    x = 537,777,144,962,475,392/626,147,215.20
  6. Step 6: Final answer
    x = 858,866,943.60

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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.