Home / 534,995,476.80-802,493,215.20-478,875,307.20

Finding the Fourth Proportional to 534,995,476.80, 802,493,215.20 and 478,875,307.20

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Solution

The fourth proportional to 534,995,476.80, 802,493,215.20 and 478,875,307.20 is: 718,312,960.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,995,476.80 : 802,493,215.20 = 478,875,307.20 : x
  2. Step 2: Convert to fraction form
    534,995,476.80/802,493,215.20 = 478,875,307.20/x
  3. Step 3: Cross multiply
    534,995,476.80x = 802,493,215.20 × 478,875,307.20
  4. Step 4: Simplify right side
    534,995,476.80x = 384,294,184,954,815,744
  5. Step 5: Solve for x
    x = 384,294,184,954,815,744/534,995,476.80
  6. Step 6: Final answer
    x = 718,312,960.80

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1.5x scale

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.