Home / 976,671,931.40-1,465,007,897.10-845,157,998.60

Finding the Fourth Proportional to 976,671,931.40, 1,465,007,897.10 and 845,157,998.60

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Solution

The fourth proportional to 976,671,931.40, 1,465,007,897.10 and 845,157,998.60 is: 1,267,736,997.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,671,931.40 : 1,465,007,897.10 = 845,157,998.60 : x
  2. Step 2: Convert to fraction form
    976,671,931.40/1,465,007,897.10 = 845,157,998.60/x
  3. Step 3: Cross multiply
    976,671,931.40x = 1,465,007,897.10 × 845,157,998.60
  4. Step 4: Simplify right side
    976,671,931.40x = 1,238,163,142,246,230,784
  5. Step 5: Solve for x
    x = 1,238,163,142,246,230,784/976,671,931.40
  6. Step 6: Final answer
    x = 1,267,736,997.90

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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.