Home / 766,415,482.00-1,057,653,828.50-413,991,628.40

Finding the Fourth Proportional to 766,415,482.00, 1,057,653,828.50 and 413,991,628.40

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Solution

The fourth proportional to 766,415,482.00, 1,057,653,828.50 and 413,991,628.40 is: 571,308,697.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,415,482.00 : 1,057,653,828.50 = 413,991,628.40 : x
  2. Step 2: Convert to fraction form
    766,415,482.00/1,057,653,828.50 = 413,991,628.40/x
  3. Step 3: Cross multiply
    766,415,482.00x = 1,057,653,828.50 × 413,991,628.40
  4. Step 4: Simplify right side
    766,415,482.00x = 437,859,830,744,783,488
  5. Step 5: Solve for x
    x = 437,859,830,744,783,488/766,415,482.00
  6. Step 6: Final answer
    x = 571,308,697.48

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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.