Home / 788,514,113.80-1,182,852,300.30-297,640,842.76

Finding the Fourth Proportional to 788,514,113.80, 1,182,852,300.30 and 297,640,842.76

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Solution

The fourth proportional to 788,514,113.80, 1,182,852,300.30 and 297,640,842.76 is: 446,491,888.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,514,113.80 : 1,182,852,300.30 = 297,640,842.76 : x
  2. Step 2: Convert to fraction form
    788,514,113.80/1,182,852,300.30 = 297,640,842.76/x
  3. Step 3: Cross multiply
    788,514,113.80x = 1,182,852,300.30 × 297,640,842.76
  4. Step 4: Simplify right side
    788,514,113.80x = 352,065,155,521,896,576
  5. Step 5: Solve for x
    x = 352,065,155,521,896,576/788,514,113.80
  6. Step 6: Final answer
    x = 446,491,888.17

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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.