Home / 538,984,133.16-808,468,688.70-130,036,851.24

Finding the Fourth Proportional to 538,984,133.16, 808,468,688.70 and 130,036,851.24

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Solution

The fourth proportional to 538,984,133.16, 808,468,688.70 and 130,036,851.24 is: 195,053,464.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,984,133.16 : 808,468,688.70 = 130,036,851.24 : x
  2. Step 2: Convert to fraction form
    538,984,133.16/808,468,688.70 = 130,036,851.24/x
  3. Step 3: Cross multiply
    538,984,133.16x = 808,468,688.70 × 130,036,851.24
  4. Step 4: Simplify right side
    538,984,133.16x = 105,130,722,604,679,776
  5. Step 5: Solve for x
    x = 105,130,722,604,679,776/538,984,133.16
  6. Step 6: Final answer
    x = 195,053,464.73

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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.