Home / 873,209,852.28-1,205,573,526.59-555,849,230.31

Finding the Fourth Proportional to 873,209,852.28, 1,205,573,526.59 and 555,849,230.31

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Solution

The fourth proportional to 873,209,852.28, 1,205,573,526.59 and 555,849,230.31 is: 767,418,181.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,209,852.28 : 1,205,573,526.59 = 555,849,230.31 : x
  2. Step 2: Convert to fraction form
    873,209,852.28/1,205,573,526.59 = 555,849,230.31/x
  3. Step 3: Cross multiply
    873,209,852.28x = 1,205,573,526.59 × 555,849,230.31
  4. Step 4: Simplify right side
    873,209,852.28x = 670,117,116,834,384,512
  5. Step 5: Solve for x
    x = 670,117,116,834,384,512/873,209,852.28
  6. Step 6: Final answer
    x = 767,418,181.42

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1.5x scale

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.