Home / 917,732,123-1,266,470,511.98-500,044,408.28

Finding the Fourth Proportional to 917,732,123, 1,266,470,511.98 and 500,044,408.28

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Solution

The fourth proportional to 917,732,123, 1,266,470,511.98 and 500,044,408.28 is: 690,061,382.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,732,123 : 1,266,470,511.98 = 500,044,408.28 : x
  2. Step 2: Convert to fraction form
    917,732,123/1,266,470,511.98 = 500,044,408.28/x
  3. Step 3: Cross multiply
    917,732,123x = 1,266,470,511.98 × 500,044,408.28
  4. Step 4: Simplify right side
    917,732,123x = 633,291,497,767,107,712
  5. Step 5: Solve for x
    x = 633,291,497,767,107,712/917,732,123
  6. Step 6: Final answer
    x = 690,061,382.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.