Home / 14,991,478,341.60-20,688,242,070.96-8,308,906,335.84

Finding the Fourth Proportional to 14,991,478,341.60, 20,688,242,070.96 and 8,308,906,335.84

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Solution

The fourth proportional to 14,991,478,341.60, 20,688,242,070.96 and 8,308,906,335.84 is: 11,466,291,829.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,991,478,341.60 : 20,688,242,070.96 = 8,308,906,335.84 : x
  2. Step 2: Convert to fraction form
    14,991,478,341.60/20,688,242,070.96 = 8,308,906,335.84/x
  3. Step 3: Cross multiply
    14,991,478,341.60x = 20,688,242,070.96 × 8,308,906,335.84
  4. Step 4: Simplify right side
    14,991,478,341.60x = 171,896,665,620,791,197,696
  5. Step 5: Solve for x
    x = 171,896,665,620,791,197,696/14,991,478,341.60
  6. Step 6: Final answer
    x = 11,466,291,829.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.