Home / 935,851,752.81-1,291,515,775.00-518,164,075.01

Finding the Fourth Proportional to 935,851,752.81, 1,291,515,775.00 and 518,164,075.01

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Solution

The fourth proportional to 935,851,752.81, 1,291,515,775.00 and 518,164,075.01 is: 715,088,767.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,851,752.81 : 1,291,515,775.00 = 518,164,075.01 : x
  2. Step 2: Convert to fraction form
    935,851,752.81/1,291,515,775.00 = 518,164,075.01/x
  3. Step 3: Cross multiply
    935,851,752.81x = 1,291,515,775.00 × 518,164,075.01
  4. Step 4: Simplify right side
    935,851,752.81x = 669,217,076,915,631,616
  5. Step 5: Solve for x
    x = 669,217,076,915,631,616/935,851,752.81
  6. Step 6: Final answer
    x = 715,088,767.97

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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.