Home / 688,307,260,316.10-949,866,972,285.45-375,454,462,027.15

Finding the Fourth Proportional to 688,307,260,316.10, 949,866,972,285.45 and 375,454,462,027.15

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Solution

The fourth proportional to 688,307,260,316.10, 949,866,972,285.45 and 375,454,462,027.15 is: 518,128,768,412.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,307,260,316.10 : 949,866,972,285.45 = 375,454,462,027.15 : x
  2. Step 2: Convert to fraction form
    688,307,260,316.10/949,866,972,285.45 = 375,454,462,027.15/x
  3. Step 3: Cross multiply
    688,307,260,316.10x = 949,866,972,285.45 × 375,454,462,027.15
  4. Step 4: Simplify right side
    688,307,260,316.10x = 356,631,793,076,791,450,533,888
  5. Step 5: Solve for x
    x = 356,631,793,076,791,450,533,888/688,307,260,316.10
  6. Step 6: Final answer
    x = 518,128,768,412.25

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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.