Home / 746,018,810.96-1,029,509,159.77-406,934,675.91

Finding the Fourth Proportional to 746,018,810.96, 1,029,509,159.77 and 406,934,675.91

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Solution

The fourth proportional to 746,018,810.96, 1,029,509,159.77 and 406,934,675.91 is: 561,571,598.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,018,810.96 : 1,029,509,159.77 = 406,934,675.91 : x
  2. Step 2: Convert to fraction form
    746,018,810.96/1,029,509,159.77 = 406,934,675.91/x
  3. Step 3: Cross multiply
    746,018,810.96x = 1,029,509,159.77 × 406,934,675.91
  4. Step 4: Simplify right side
    746,018,810.96x = 418,942,976,276,094,464
  5. Step 5: Solve for x
    x = 418,942,976,276,094,464/746,018,810.96
  6. Step 6: Final answer
    x = 561,571,598.63

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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.