Home / 898,158,032.10-1,347,237,048.15-509,830,812.90

Finding the Fourth Proportional to 898,158,032.10, 1,347,237,048.15 and 509,830,812.90

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Solution

The fourth proportional to 898,158,032.10, 1,347,237,048.15 and 509,830,812.90 is: 764,746,219.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,158,032.10 : 1,347,237,048.15 = 509,830,812.90 : x
  2. Step 2: Convert to fraction form
    898,158,032.10/1,347,237,048.15 = 509,830,812.90/x
  3. Step 3: Cross multiply
    898,158,032.10x = 1,347,237,048.15 × 509,830,812.90
  4. Step 4: Simplify right side
    898,158,032.10x = 686,862,959,427,310,976
  5. Step 5: Solve for x
    x = 686,862,959,427,310,976/898,158,032.10
  6. Step 6: Final answer
    x = 764,746,219.35

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1.5x scale

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.