Home / 545,573,669.40-818,360,504.10-373,386,785.40

Finding the Fourth Proportional to 545,573,669.40, 818,360,504.10 and 373,386,785.40

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Solution

The fourth proportional to 545,573,669.40, 818,360,504.10 and 373,386,785.40 is: 560,080,178.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,573,669.40 : 818,360,504.10 = 373,386,785.40 : x
  2. Step 2: Convert to fraction form
    545,573,669.40/818,360,504.10 = 373,386,785.40/x
  3. Step 3: Cross multiply
    545,573,669.40x = 818,360,504.10 × 373,386,785.40
  4. Step 4: Simplify right side
    545,573,669.40x = 305,564,997,924,222,528
  5. Step 5: Solve for x
    x = 305,564,997,924,222,528/545,573,669.40
  6. Step 6: Final answer
    x = 560,080,178.10

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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.