Home / 304,927,780,954.46-421,404,094,047.02-249,908,173,978.07

Finding the Fourth Proportional to 304,927,780,954.46, 421,404,094,047.02 and 249,908,173,978.07

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Solution

The fourth proportional to 304,927,780,954.46, 421,404,094,047.02 and 249,908,173,978.07 is: 345,368,097,719.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,927,780,954.46 : 421,404,094,047.02 = 249,908,173,978.07 : x
  2. Step 2: Convert to fraction form
    304,927,780,954.46/421,404,094,047.02 = 249,908,173,978.07/x
  3. Step 3: Cross multiply
    304,927,780,954.46x = 421,404,094,047.02 × 249,908,173,978.07
  4. Step 4: Simplify right side
    304,927,780,954.46x = 105,312,327,650,173,658,333,184
  5. Step 5: Solve for x
    x = 105,312,327,650,173,658,333,184/304,927,780,954.46
  6. Step 6: Final answer
    x = 345,368,097,719.84

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1.5x scale

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.