Home / 489,889,931.60-734,834,897.40-144,812,824.40

Finding the Fourth Proportional to 489,889,931.60, 734,834,897.40 and 144,812,824.40

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Solution

The fourth proportional to 489,889,931.60, 734,834,897.40 and 144,812,824.40 is: 217,219,236.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,889,931.60 : 734,834,897.40 = 144,812,824.40 : x
  2. Step 2: Convert to fraction form
    489,889,931.60/734,834,897.40 = 144,812,824.40/x
  3. Step 3: Cross multiply
    489,889,931.60x = 734,834,897.40 × 144,812,824.40
  4. Step 4: Simplify right side
    489,889,931.60x = 106,413,516,960,178,224
  5. Step 5: Solve for x
    x = 106,413,516,960,178,224/489,889,931.60
  6. Step 6: Final answer
    x = 217,219,236.60

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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.