Home / 705,025,152.80-1,057,537,729.20-654,636,672.80

Finding the Fourth Proportional to 705,025,152.80, 1,057,537,729.20 and 654,636,672.80

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Solution

The fourth proportional to 705,025,152.80, 1,057,537,729.20 and 654,636,672.80 is: 981,955,009.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,025,152.80 : 1,057,537,729.20 = 654,636,672.80 : x
  2. Step 2: Convert to fraction form
    705,025,152.80/1,057,537,729.20 = 654,636,672.80/x
  3. Step 3: Cross multiply
    705,025,152.80x = 1,057,537,729.20 × 654,636,672.80
  4. Step 4: Simplify right side
    705,025,152.80x = 692,302,980,403,955,328
  5. Step 5: Solve for x
    x = 692,302,980,403,955,328/705,025,152.80
  6. Step 6: Final answer
    x = 981,955,009.20

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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.