Home / 252,227,643.60-378,341,465.40-70,474,821.60

Finding the Fourth Proportional to 252,227,643.60, 378,341,465.40 and 70,474,821.60

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Solution

The fourth proportional to 252,227,643.60, 378,341,465.40 and 70,474,821.60 is: 105,712,232.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,227,643.60 : 378,341,465.40 = 70,474,821.60 : x
  2. Step 2: Convert to fraction form
    252,227,643.60/378,341,465.40 = 70,474,821.60/x
  3. Step 3: Cross multiply
    252,227,643.60x = 378,341,465.40 × 70,474,821.60
  4. Step 4: Simplify right side
    252,227,643.60x = 26,663,547,277,947,568
  5. Step 5: Solve for x
    x = 26,663,547,277,947,568/252,227,643.60
  6. Step 6: Final answer
    x = 105,712,232.40

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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.