Home / 910,359,256.46-1,256,295,758.55-492,671,541.75

Finding the Fourth Proportional to 910,359,256.46, 1,256,295,758.55 and 492,671,541.75

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Solution

The fourth proportional to 910,359,256.46, 1,256,295,758.55 and 492,671,541.75 is: 679,886,719.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,359,256.46 : 1,256,295,758.55 = 492,671,541.75 : x
  2. Step 2: Convert to fraction form
    910,359,256.46/1,256,295,758.55 = 492,671,541.75/x
  3. Step 3: Cross multiply
    910,359,256.46x = 1,256,295,758.55 × 492,671,541.75
  4. Step 4: Simplify right side
    910,359,256.46x = 618,941,168,262,624,000
  5. Step 5: Solve for x
    x = 618,941,168,262,624,000/910,359,256.46
  6. Step 6: Final answer
    x = 679,886,719.31

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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.