Home / 14,220,297,603,640-19,623,995,446,478-7,724,423,118,405

Finding the Fourth Proportional to 14,220,297,603,640, 19,623,995,446,478 and 7,724,423,118,405

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Solution

The fourth proportional to 14,220,297,603,640, 19,623,995,446,478 and 7,724,423,118,405 is: 10,659,695,621,521.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,220,297,603,640 : 19,623,995,446,478 = 7,724,423,118,405 : x
  2. Step 2: Convert to fraction form
    14,220,297,603,640/19,623,995,446,478 = 7,724,423,118,405/x
  3. Step 3: Cross multiply
    14,220,297,603,640x = 19,623,995,446,478 × 7,724,423,118,405
  4. Step 4: Simplify right side
    14,220,297,603,640x = 151,584,044,102,249,107,024,773,120
  5. Step 5: Solve for x
    x = 151,584,044,102,249,107,024,773,120/14,220,297,603,640
  6. Step 6: Final answer
    x = 10,659,695,621,521.16

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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.