Home / 668,742,031.94-922,753,274.90-386,510,754.16

Finding the Fourth Proportional to 668,742,031.94, 922,753,274.90 and 386,510,754.16

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Solution

The fourth proportional to 668,742,031.94, 922,753,274.90 and 386,510,754.16 is: 533,320,842.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,742,031.94 : 922,753,274.90 = 386,510,754.16 : x
  2. Step 2: Convert to fraction form
    668,742,031.94/922,753,274.90 = 386,510,754.16/x
  3. Step 3: Cross multiply
    668,742,031.94x = 922,753,274.90 × 386,510,754.16
  4. Step 4: Simplify right side
    668,742,031.94x = 356,654,064,183,868,224
  5. Step 5: Solve for x
    x = 356,654,064,183,868,224/668,742,031.94
  6. Step 6: Final answer
    x = 533,320,842.94

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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.