Home / 642,142,384.84-963,616,685.10-600,823,831.24

Finding the Fourth Proportional to 642,142,384.84, 963,616,685.10 and 600,823,831.24

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Solution

The fourth proportional to 642,142,384.84, 963,616,685.10 and 600,823,831.24 is: 901,612,916.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    642,142,384.84 : 963,616,685.10 = 600,823,831.24 : x
  2. Step 2: Convert to fraction form
    642,142,384.84/963,616,685.10 = 600,823,831.24/x
  3. Step 3: Cross multiply
    642,142,384.84x = 963,616,685.10 × 600,823,831.24
  4. Step 4: Simplify right side
    642,142,384.84x = 578,963,868,588,570,624
  5. Step 5: Solve for x
    x = 578,963,868,588,570,624/642,142,384.84
  6. Step 6: Final answer
    x = 901,612,916.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.