Home / 971,453,698.60-1,457,090,202.52-272,009,141.40

Finding the Fourth Proportional to 971,453,698.60, 1,457,090,202.52 and 272,009,141.40

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Solution

The fourth proportional to 971,453,698.60, 1,457,090,202.52 and 272,009,141.40 is: 407,988,415.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,453,698.60 : 1,457,090,202.52 = 272,009,141.40 : x
  2. Step 2: Convert to fraction form
    971,453,698.60/1,457,090,202.52 = 272,009,141.40/x
  3. Step 3: Cross multiply
    971,453,698.60x = 1,457,090,202.52 × 272,009,141.40
  4. Step 4: Simplify right side
    971,453,698.60x = 396,341,854,929,817,280
  5. Step 5: Solve for x
    x = 396,341,854,929,817,280/971,453,698.60
  6. Step 6: Final answer
    x = 407,988,415.20

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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.