Home / 391,167,792,000.60-586,751,688,000.90-312,803,627,904.60

Finding the Fourth Proportional to 391,167,792,000.60, 586,751,688,000.90 and 312,803,627,904.60

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Solution

The fourth proportional to 391,167,792,000.60, 586,751,688,000.90 and 312,803,627,904.60 is: 469,205,441,856.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    391,167,792,000.60 : 586,751,688,000.90 = 312,803,627,904.60 : x
  2. Step 2: Convert to fraction form
    391,167,792,000.60/586,751,688,000.90 = 312,803,627,904.60/x
  3. Step 3: Cross multiply
    391,167,792,000.60x = 586,751,688,000.90 × 312,803,627,904.60
  4. Step 4: Simplify right side
    391,167,792,000.60x = 183,538,056,685,829,471,862,784
  5. Step 5: Solve for x
    x = 183,538,056,685,829,471,862,784/391,167,792,000.60
  6. Step 6: Final answer
    x = 469,205,441,856.90

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1.5x scale

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.