Home / 782,308,400,502.20-1,173,461,136,075.80-245,127,484,574.64

Finding the Fourth Proportional to 782,308,400,502.20, 1,173,461,136,075.80 and 245,127,484,574.64

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Solution

The fourth proportional to 782,308,400,502.20, 1,173,461,136,075.80 and 245,127,484,574.64 is: 367,690,767,921.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,308,400,502.20 : 1,173,461,136,075.80 = 245,127,484,574.64 : x
  2. Step 2: Convert to fraction form
    782,308,400,502.20/1,173,461,136,075.80 = 245,127,484,574.64/x
  3. Step 3: Cross multiply
    782,308,400,502.20x = 1,173,461,136,075.80 × 245,127,484,574.64
  4. Step 4: Simplify right side
    782,308,400,502.20x = 287,647,576,532,360,227,717,120
  5. Step 5: Solve for x
    x = 287,647,576,532,360,227,717,120/782,308,400,502.20
  6. Step 6: Final answer
    x = 367,690,767,921.84

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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.