Home / 842,831,516,482.25-1,163,108,353,549-457,455,941,784.20

Finding the Fourth Proportional to 842,831,516,482.25, 1,163,108,353,549 and 457,455,941,784.20

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Solution

The fourth proportional to 842,831,516,482.25, 1,163,108,353,549 and 457,455,941,784.20 is: 631,289,666,872.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,831,516,482.25 : 1,163,108,353,549 = 457,455,941,784.20 : x
  2. Step 2: Convert to fraction form
    842,831,516,482.25/1,163,108,353,549 = 457,455,941,784.20/x
  3. Step 3: Cross multiply
    842,831,516,482.25x = 1,163,108,353,549 × 457,455,941,784.20
  4. Step 4: Simplify right side
    842,831,516,482.25x = 532,070,827,269,828,047,273,984
  5. Step 5: Solve for x
    x = 532,070,827,269,828,047,273,984/842,831,516,482.25
  6. Step 6: Final answer
    x = 631,289,666,872.62

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Double scale
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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.