Home / 7,445,664,903.78-10,275,015,060.81-4,104,218,987.46

Finding the Fourth Proportional to 7,445,664,903.78, 10,275,015,060.81 and 4,104,218,987.46

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Solution

The fourth proportional to 7,445,664,903.78, 10,275,015,060.81 and 4,104,218,987.46 is: 5,663,820,821.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,445,664,903.78 : 10,275,015,060.81 = 4,104,218,987.46 : x
  2. Step 2: Convert to fraction form
    7,445,664,903.78/10,275,015,060.81 = 4,104,218,987.46/x
  3. Step 3: Cross multiply
    7,445,664,903.78x = 10,275,015,060.81 × 4,104,218,987.46
  4. Step 4: Simplify right side
    7,445,664,903.78x = 42,170,911,909,013,864,448
  5. Step 5: Solve for x
    x = 42,170,911,909,013,864,448/7,445,664,903.78
  6. Step 6: Final answer
    x = 5,663,820,821.11

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1.5x scale

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.