Home / 316,506,407.28-436,992,128.96-197,610,210.60

Finding the Fourth Proportional to 316,506,407.28, 436,992,128.96 and 197,610,210.60

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Solution

The fourth proportional to 316,506,407.28, 436,992,128.96 and 197,610,210.60 is: 272,835,255.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,506,407.28 : 436,992,128.96 = 197,610,210.60 : x
  2. Step 2: Convert to fraction form
    316,506,407.28/436,992,128.96 = 197,610,210.60/x
  3. Step 3: Cross multiply
    316,506,407.28x = 436,992,128.96 × 197,610,210.60
  4. Step 4: Simplify right side
    316,506,407.28x = 86,354,106,634,327,952
  5. Step 5: Solve for x
    x = 86,354,106,634,327,952/316,506,407.28
  6. Step 6: Final answer
    x = 272,835,255.93

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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.