Home / 869,364,028.10-1,304,046,042.15-783,367,688.90

Finding the Fourth Proportional to 869,364,028.10, 1,304,046,042.15 and 783,367,688.90

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Solution

The fourth proportional to 869,364,028.10, 1,304,046,042.15 and 783,367,688.90 is: 1,175,051,533.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,364,028.10 : 1,304,046,042.15 = 783,367,688.90 : x
  2. Step 2: Convert to fraction form
    869,364,028.10/1,304,046,042.15 = 783,367,688.90/x
  3. Step 3: Cross multiply
    869,364,028.10x = 1,304,046,042.15 × 783,367,688.90
  4. Step 4: Simplify right side
    869,364,028.10x = 1,021,547,534,258,237,568
  5. Step 5: Solve for x
    x = 1,021,547,534,258,237,568/869,364,028.10
  6. Step 6: Final answer
    x = 1,175,051,533.35

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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.