Home / 671,790,726.40-1,007,686,089.60-284,051,372.80

Finding the Fourth Proportional to 671,790,726.40, 1,007,686,089.60 and 284,051,372.80

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Solution

The fourth proportional to 671,790,726.40, 1,007,686,089.60 and 284,051,372.80 is: 426,077,059.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,790,726.40 : 1,007,686,089.60 = 284,051,372.80 : x
  2. Step 2: Convert to fraction form
    671,790,726.40/1,007,686,089.60 = 284,051,372.80/x
  3. Step 3: Cross multiply
    671,790,726.40x = 1,007,686,089.60 × 284,051,372.80
  4. Step 4: Simplify right side
    671,790,726.40x = 286,234,617,102,343,808
  5. Step 5: Solve for x
    x = 286,234,617,102,343,808/671,790,726.40
  6. Step 6: Final answer
    x = 426,077,059.20

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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.