Home / 257,792,030.40-386,688,045.60-247,714,334.40

Finding the Fourth Proportional to 257,792,030.40, 386,688,045.60 and 247,714,334.40

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Solution

The fourth proportional to 257,792,030.40, 386,688,045.60 and 247,714,334.40 is: 371,571,501.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,792,030.40 : 386,688,045.60 = 247,714,334.40 : x
  2. Step 2: Convert to fraction form
    257,792,030.40/386,688,045.60 = 247,714,334.40/x
  3. Step 3: Cross multiply
    257,792,030.40x = 386,688,045.60 × 247,714,334.40
  4. Step 4: Simplify right side
    257,792,030.40x = 95,788,171,836,240,864
  5. Step 5: Solve for x
    x = 95,788,171,836,240,864/257,792,030.40
  6. Step 6: Final answer
    x = 371,571,501.60

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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.