Home / 418,886,130,130.56-578,064,624,975.36-235,985,426,363.52

Finding the Fourth Proportional to 418,886,130,130.56, 578,064,624,975.36 and 235,985,426,363.52

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Solution

The fourth proportional to 418,886,130,130.56, 578,064,624,975.36 and 235,985,426,363.52 is: 325,660,882,942.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,886,130,130.56 : 578,064,624,975.36 = 235,985,426,363.52 : x
  2. Step 2: Convert to fraction form
    418,886,130,130.56/578,064,624,975.36 = 235,985,426,363.52/x
  3. Step 3: Cross multiply
    418,886,130,130.56x = 578,064,624,975.36 × 235,985,426,363.52
  4. Step 4: Simplify right side
    418,886,130,130.56x = 136,414,826,990,478,611,709,952
  5. Step 5: Solve for x
    x = 136,414,826,990,478,611,709,952/418,886,130,130.56
  6. Step 6: Final answer
    x = 325,660,882,942.01

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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.