Home / 624,542,681,575.65-861,551,706,692.80-407,895,691,300.10

Finding the Fourth Proportional to 624,542,681,575.65, 861,551,706,692.80 and 407,895,691,300.10

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Solution

The fourth proportional to 624,542,681,575.65, 861,551,706,692.80 and 407,895,691,300.10 is: 562,688,891,182.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,542,681,575.65 : 861,551,706,692.80 = 407,895,691,300.10 : x
  2. Step 2: Convert to fraction form
    624,542,681,575.65/861,551,706,692.80 = 407,895,691,300.10/x
  3. Step 3: Cross multiply
    624,542,681,575.65x = 861,551,706,692.80 × 407,895,691,300.10
  4. Step 4: Simplify right side
    624,542,681,575.65x = 351,423,228,992,240,652,124,160
  5. Step 5: Solve for x
    x = 351,423,228,992,240,652,124,160/624,542,681,575.65
  6. Step 6: Final answer
    x = 562,688,891,182.97

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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.