Home / 1,405,076,248.80-2,107,619,000.40-355,813,878.24

Finding the Fourth Proportional to 1,405,076,248.80, 2,107,619,000.40 and 355,813,878.24

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Solution

The fourth proportional to 1,405,076,248.80, 2,107,619,000.40 and 355,813,878.24 is: 533,721,989.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,405,076,248.80 : 2,107,619,000.40 = 355,813,878.24 : x
  2. Step 2: Convert to fraction form
    1,405,076,248.80/2,107,619,000.40 = 355,813,878.24/x
  3. Step 3: Cross multiply
    1,405,076,248.80x = 2,107,619,000.40 × 355,813,878.24
  4. Step 4: Simplify right side
    1,405,076,248.80x = 749,920,090,384,636,160
  5. Step 5: Solve for x
    x = 749,920,090,384,636,160/1,405,076,248.80
  6. Step 6: Final answer
    x = 533,721,989.13

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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.