Home / 804,451,821.60-1,206,677,732.40-437,119,802.40

Finding the Fourth Proportional to 804,451,821.60, 1,206,677,732.40 and 437,119,802.40

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Solution

The fourth proportional to 804,451,821.60, 1,206,677,732.40 and 437,119,802.40 is: 655,679,703.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,451,821.60 : 1,206,677,732.40 = 437,119,802.40 : x
  2. Step 2: Convert to fraction form
    804,451,821.60/1,206,677,732.40 = 437,119,802.40/x
  3. Step 3: Cross multiply
    804,451,821.60x = 1,206,677,732.40 × 437,119,802.40
  4. Step 4: Simplify right side
    804,451,821.60x = 527,462,731,947,168,064
  5. Step 5: Solve for x
    x = 527,462,731,947,168,064/804,451,821.60
  6. Step 6: Final answer
    x = 655,679,703.60

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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.