Home / 705,025,153.80-1,057,537,730.70-654,636,673.80

Finding the Fourth Proportional to 705,025,153.80, 1,057,537,730.70 and 654,636,673.80

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Solution

The fourth proportional to 705,025,153.80, 1,057,537,730.70 and 654,636,673.80 is: 981,955,010.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,025,153.80 : 1,057,537,730.70 = 654,636,673.80 : x
  2. Step 2: Convert to fraction form
    705,025,153.80/1,057,537,730.70 = 654,636,673.80/x
  3. Step 3: Cross multiply
    705,025,153.80x = 1,057,537,730.70 × 654,636,673.80
  4. Step 4: Simplify right side
    705,025,153.80x = 692,302,982,443,448,064
  5. Step 5: Solve for x
    x = 692,302,982,443,448,064/705,025,153.80
  6. Step 6: Final answer
    x = 981,955,010.70

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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.