Home / 503,680,373.85-695,130,637.79-302,802,280.89

Finding the Fourth Proportional to 503,680,373.85, 695,130,637.79 and 302,802,280.89

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Solution

The fourth proportional to 503,680,373.85, 695,130,637.79 and 302,802,280.89 is: 417,898,241.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,680,373.85 : 695,130,637.79 = 302,802,280.89 : x
  2. Step 2: Convert to fraction form
    503,680,373.85/695,130,637.79 = 302,802,280.89/x
  3. Step 3: Cross multiply
    503,680,373.85x = 695,130,637.79 × 302,802,280.89
  4. Step 4: Simplify right side
    503,680,373.85x = 210,487,142,637,818,400
  5. Step 5: Solve for x
    x = 210,487,142,637,818,400/503,680,373.85
  6. Step 6: Final answer
    x = 417,898,241.75

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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.