Home / 553,716,090.20-830,574,135.30-463,688,672.60

Finding the Fourth Proportional to 553,716,090.20, 830,574,135.30 and 463,688,672.60

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Solution

The fourth proportional to 553,716,090.20, 830,574,135.30 and 463,688,672.60 is: 695,533,008.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,716,090.20 : 830,574,135.30 = 463,688,672.60 : x
  2. Step 2: Convert to fraction form
    553,716,090.20/830,574,135.30 = 463,688,672.60/x
  3. Step 3: Cross multiply
    553,716,090.20x = 830,574,135.30 × 463,688,672.60
  4. Step 4: Simplify right side
    553,716,090.20x = 385,127,818,293,149,824
  5. Step 5: Solve for x
    x = 385,127,818,293,149,824/553,716,090.20
  6. Step 6: Final answer
    x = 695,533,008.90

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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.