Home / 992,223,528.45-1,368,503,657.73-616,102,803.69

Finding the Fourth Proportional to 992,223,528.45, 1,368,503,657.73 and 616,102,803.69

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Solution

The fourth proportional to 992,223,528.45, 1,368,503,657.73 and 616,102,803.69 is: 849,746,973.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,223,528.45 : 1,368,503,657.73 = 616,102,803.69 : x
  2. Step 2: Convert to fraction form
    992,223,528.45/1,368,503,657.73 = 616,102,803.69/x
  3. Step 3: Cross multiply
    992,223,528.45x = 1,368,503,657.73 × 616,102,803.69
  4. Step 4: Simplify right side
    992,223,528.45x = 843,138,940,387,473,280
  5. Step 5: Solve for x
    x = 843,138,940,387,473,280/992,223,528.45
  6. Step 6: Final answer
    x = 849,746,973.55

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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.