Home / 704,678,542.40-1,057,017,813.60-316,687,246.40

Finding the Fourth Proportional to 704,678,542.40, 1,057,017,813.60 and 316,687,246.40

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Solution

The fourth proportional to 704,678,542.40, 1,057,017,813.60 and 316,687,246.40 is: 475,030,869.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,678,542.40 : 1,057,017,813.60 = 316,687,246.40 : x
  2. Step 2: Convert to fraction form
    704,678,542.40/1,057,017,813.60 = 316,687,246.40/x
  3. Step 3: Cross multiply
    704,678,542.40x = 1,057,017,813.60 × 316,687,246.40
  4. Step 4: Simplify right side
    704,678,542.40x = 334,744,060,784,732,480
  5. Step 5: Solve for x
    x = 334,744,060,784,732,480/704,678,542.40
  6. Step 6: Final answer
    x = 475,030,869.60

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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.