Home / 786,024,005.20-1,179,036,007.80-604,625,477.20

Finding the Fourth Proportional to 786,024,005.20, 1,179,036,007.80 and 604,625,477.20

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Solution

The fourth proportional to 786,024,005.20, 1,179,036,007.80 and 604,625,477.20 is: 906,938,215.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,024,005.20 : 1,179,036,007.80 = 604,625,477.20 : x
  2. Step 2: Convert to fraction form
    786,024,005.20/1,179,036,007.80 = 604,625,477.20/x
  3. Step 3: Cross multiply
    786,024,005.20x = 1,179,036,007.80 × 604,625,477.20
  4. Step 4: Simplify right side
    786,024,005.20x = 712,875,208,852,057,984
  5. Step 5: Solve for x
    x = 712,875,208,852,057,984/786,024,005.20
  6. Step 6: Final answer
    x = 906,938,215.80

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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.