Home / 3,219,264,376.40-4,828,896,564.60-921,549,688.40

Finding the Fourth Proportional to 3,219,264,376.40, 4,828,896,564.60 and 921,549,688.40

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Solution

The fourth proportional to 3,219,264,376.40, 4,828,896,564.60 and 921,549,688.40 is: 1,382,324,532.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,219,264,376.40 : 4,828,896,564.60 = 921,549,688.40 : x
  2. Step 2: Convert to fraction form
    3,219,264,376.40/4,828,896,564.60 = 921,549,688.40/x
  3. Step 3: Cross multiply
    3,219,264,376.40x = 4,828,896,564.60 × 921,549,688.40
  4. Step 4: Simplify right side
    3,219,264,376.40x = 4,450,068,124,422,960,640
  5. Step 5: Solve for x
    x = 4,450,068,124,422,960,640/3,219,264,376.40
  6. Step 6: Final answer
    x = 1,382,324,532.60

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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.