Home / 370,459,435.36-511,216,510.80-205,443,461.92

Finding the Fourth Proportional to 370,459,435.36, 511,216,510.80 and 205,443,461.92

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Solution

The fourth proportional to 370,459,435.36, 511,216,510.80 and 205,443,461.92 is: 283,502,267.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,459,435.36 : 511,216,510.80 = 205,443,461.92 : x
  2. Step 2: Convert to fraction form
    370,459,435.36/511,216,510.80 = 205,443,461.92/x
  3. Step 3: Cross multiply
    370,459,435.36x = 511,216,510.80 × 205,443,461.92
  4. Step 4: Simplify right side
    370,459,435.36x = 105,026,089,769,415,072
  5. Step 5: Solve for x
    x = 105,026,089,769,415,072/370,459,435.36
  6. Step 6: Final answer
    x = 283,502,267.04

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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.