Home / 386,828,681.04-533,818,572.47-210,614,655.24

Finding the Fourth Proportional to 386,828,681.04, 533,818,572.47 and 210,614,655.24

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Solution

The fourth proportional to 386,828,681.04, 533,818,572.47 and 210,614,655.24 is: 290,645,497.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,828,681.04 : 533,818,572.47 = 210,614,655.24 : x
  2. Step 2: Convert to fraction form
    386,828,681.04/533,818,572.47 = 210,614,655.24/x
  3. Step 3: Cross multiply
    386,828,681.04x = 533,818,572.47 × 210,614,655.24
  4. Step 4: Simplify right side
    386,828,681.04x = 112,430,014,600,424,928
  5. Step 5: Solve for x
    x = 112,430,014,600,424,928/386,828,681.04
  6. Step 6: Final answer
    x = 290,645,497.89

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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.