Home / 907,312,991.05-1,252,043,352.54-499,931,056.45

Finding the Fourth Proportional to 907,312,991.05, 1,252,043,352.54 and 499,931,056.45

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Solution

The fourth proportional to 907,312,991.05, 1,252,043,352.54 and 499,931,056.45 is: 689,878,092.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,312,991.05 : 1,252,043,352.54 = 499,931,056.45 : x
  2. Step 2: Convert to fraction form
    907,312,991.05/1,252,043,352.54 = 499,931,056.45/x
  3. Step 3: Cross multiply
    907,312,991.05x = 1,252,043,352.54 × 499,931,056.45
  4. Step 4: Simplify right side
    907,312,991.05x = 625,935,355,958,087,040
  5. Step 5: Solve for x
    x = 625,935,355,958,087,040/907,312,991.05
  6. Step 6: Final answer
    x = 689,878,092.93

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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.