Home / 47,030,544,030.40-70,545,816,045.60-20,909,155,998.40

Finding the Fourth Proportional to 47,030,544,030.40, 70,545,816,045.60 and 20,909,155,998.40

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Solution

The fourth proportional to 47,030,544,030.40, 70,545,816,045.60 and 20,909,155,998.40 is: 31,363,733,997.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,030,544,030.40 : 70,545,816,045.60 = 20,909,155,998.40 : x
  2. Step 2: Convert to fraction form
    47,030,544,030.40/70,545,816,045.60 = 20,909,155,998.40/x
  3. Step 3: Cross multiply
    47,030,544,030.40x = 70,545,816,045.60 × 20,909,155,998.40
  4. Step 4: Simplify right side
    47,030,544,030.40x = 1,475,053,472,731,880,488,960
  5. Step 5: Solve for x
    x = 1,475,053,472,731,880,488,960/47,030,544,030.40
  6. Step 6: Final answer
    x = 31,363,733,997.60

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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.