Home / 261,401,076,145.39-360,729,818,232.96-145,662,713,923.18

Finding the Fourth Proportional to 261,401,076,145.39, 360,729,818,232.96 and 145,662,713,923.18

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Solution

The fourth proportional to 261,401,076,145.39, 360,729,818,232.96 and 145,662,713,923.18 is: 201,012,501,905.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,401,076,145.39 : 360,729,818,232.96 = 145,662,713,923.18 : x
  2. Step 2: Convert to fraction form
    261,401,076,145.39/360,729,818,232.96 = 145,662,713,923.18/x
  3. Step 3: Cross multiply
    261,401,076,145.39x = 360,729,818,232.96 × 145,662,713,923.18
  4. Step 4: Simplify right side
    261,401,076,145.39x = 52,544,884,316,828,371,779,584
  5. Step 5: Solve for x
    x = 52,544,884,316,828,371,779,584/261,401,076,145.39
  6. Step 6: Final answer
    x = 201,012,501,905.70

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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.