Home / 1,054,725,394.64-1,455,387,262.44-578,290,385.36

Finding the Fourth Proportional to 1,054,725,394.64, 1,455,387,262.44 and 578,290,385.36

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Solution

The fourth proportional to 1,054,725,394.64, 1,455,387,262.44 and 578,290,385.36 is: 797,967,381.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,054,725,394.64 : 1,455,387,262.44 = 578,290,385.36 : x
  2. Step 2: Convert to fraction form
    1,054,725,394.64/1,455,387,262.44 = 578,290,385.36/x
  3. Step 3: Cross multiply
    1,054,725,394.64x = 1,455,387,262.44 × 578,290,385.36
  4. Step 4: Simplify right side
    1,054,725,394.64x = 841,636,460,844,463,104
  5. Step 5: Solve for x
    x = 841,636,460,844,463,104/1,054,725,394.64
  6. Step 6: Final answer
    x = 797,967,381.01

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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.