Home / 477,730,574.33-658,928,590.47-318,880,607.63

Finding the Fourth Proportional to 477,730,574.33, 658,928,590.47 and 318,880,607.63

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Solution

The fourth proportional to 477,730,574.33, 658,928,590.47 and 318,880,607.63 is: 439,828,557.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,730,574.33 : 658,928,590.47 = 318,880,607.63 : x
  2. Step 2: Convert to fraction form
    477,730,574.33/658,928,590.47 = 318,880,607.63/x
  3. Step 3: Cross multiply
    477,730,574.33x = 658,928,590.47 × 318,880,607.63
  4. Step 4: Simplify right side
    477,730,574.33x = 210,119,549,310,558,400
  5. Step 5: Solve for x
    x = 210,119,549,310,558,400/477,730,574.33
  6. Step 6: Final answer
    x = 439,828,557.36

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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.