Home / 1,046,020,989.40-1,566,200,328.90-819,528,573.40

Finding the Fourth Proportional to 1,046,020,989.40, 1,566,200,328.90 and 819,528,573.40

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Solution

The fourth proportional to 1,046,020,989.40, 1,566,200,328.90 and 819,528,573.40 is: 1,227,074,728.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,046,020,989.40 : 1,566,200,328.90 = 819,528,573.40 : x
  2. Step 2: Convert to fraction form
    1,046,020,989.40/1,566,200,328.90 = 819,528,573.40/x
  3. Step 3: Cross multiply
    1,046,020,989.40x = 1,566,200,328.90 × 819,528,573.40
  4. Step 4: Simplify right side
    1,046,020,989.40x = 1,283,545,921,202,027,776
  5. Step 5: Solve for x
    x = 1,283,545,921,202,027,776/1,046,020,989.40
  6. Step 6: Final answer
    x = 1,227,074,728.15

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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.