Home / 679,937,027.40-1,019,905,541.10-543,888,131.40

Finding the Fourth Proportional to 679,937,027.40, 1,019,905,541.10 and 543,888,131.40

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Solution

The fourth proportional to 679,937,027.40, 1,019,905,541.10 and 543,888,131.40 is: 815,832,197.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,937,027.40 : 1,019,905,541.10 = 543,888,131.40 : x
  2. Step 2: Convert to fraction form
    679,937,027.40/1,019,905,541.10 = 543,888,131.40/x
  3. Step 3: Cross multiply
    679,937,027.40x = 1,019,905,541.10 × 543,888,131.40
  4. Step 4: Simplify right side
    679,937,027.40x = 554,714,518,953,384,896
  5. Step 5: Solve for x
    x = 554,714,518,953,384,896/679,937,027.40
  6. Step 6: Final answer
    x = 815,832,197.10

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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.