Home / 772,337,117.80-1,158,561,663.90-464,967,389.80

Finding the Fourth Proportional to 772,337,117.80, 1,158,561,663.90 and 464,967,389.80

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Solution

The fourth proportional to 772,337,117.80, 1,158,561,663.90 and 464,967,389.80 is: 697,484,790.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,337,117.80 : 1,158,561,663.90 = 464,967,389.80 : x
  2. Step 2: Convert to fraction form
    772,337,117.80/1,158,561,663.90 = 464,967,389.80/x
  3. Step 3: Cross multiply
    772,337,117.80x = 1,158,561,663.90 × 464,967,389.80
  4. Step 4: Simplify right side
    772,337,117.80x = 538,693,392,785,927,936
  5. Step 5: Solve for x
    x = 538,693,392,785,927,936/772,337,117.80
  6. Step 6: Final answer
    x = 697,484,790.48

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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.