Home / 798,894,436,026.18-1,198,220,574,436.50-217,428,939,070.40

Finding the Fourth Proportional to 798,894,436,026.18, 1,198,220,574,436.50 and 217,428,939,070.40

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Solution

The fourth proportional to 798,894,436,026.18, 1,198,220,574,436.50 and 217,428,939,070.40 is: 326,110,455,303.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    798,894,436,026.18 : 1,198,220,574,436.50 = 217,428,939,070.40 : x
  2. Step 2: Convert to fraction form
    798,894,436,026.18/1,198,220,574,436.50 = 217,428,939,070.40/x
  3. Step 3: Cross multiply
    798,894,436,026.18x = 1,198,220,574,436.50 × 217,428,939,070.40
  4. Step 4: Simplify right side
    798,894,436,026.18x = 260,527,828,272,053,439,430,656
  5. Step 5: Solve for x
    x = 260,527,828,272,053,439,430,656/798,894,436,026.18
  6. Step 6: Final answer
    x = 326,110,455,303.65

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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.