Home / 290,884,444,899.84-401,697,771,713.28-275,037,242,641.92

Finding the Fourth Proportional to 290,884,444,899.84, 401,697,771,713.28 and 275,037,242,641.92

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Solution

The fourth proportional to 290,884,444,899.84, 401,697,771,713.28 and 275,037,242,641.92 is: 379,813,528,858.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,884,444,899.84 : 401,697,771,713.28 = 275,037,242,641.92 : x
  2. Step 2: Convert to fraction form
    290,884,444,899.84/401,697,771,713.28 = 275,037,242,641.92/x
  3. Step 3: Cross multiply
    290,884,444,899.84x = 401,697,771,713.28 × 275,037,242,641.92
  4. Step 4: Simplify right side
    290,884,444,899.84x = 110,481,847,507,423,988,809,728
  5. Step 5: Solve for x
    x = 110,481,847,507,423,988,809,728/290,884,444,899.84
  6. Step 6: Final answer
    x = 379,813,528,858.40

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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.