Home / 912,506,868.90-1,368,930,703.46-414,552,347.82

Finding the Fourth Proportional to 912,506,868.90, 1,368,930,703.46 and 414,552,347.82

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Solution

The fourth proportional to 912,506,868.90, 1,368,930,703.46 and 414,552,347.82 is: 621,905,934.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,506,868.90 : 1,368,930,703.46 = 414,552,347.82 : x
  2. Step 2: Convert to fraction form
    912,506,868.90/1,368,930,703.46 = 414,552,347.82/x
  3. Step 3: Cross multiply
    912,506,868.90x = 1,368,930,703.46 × 414,552,347.82
  4. Step 4: Simplify right side
    912,506,868.90x = 567,493,437,120,154,368
  5. Step 5: Solve for x
    x = 567,493,437,120,154,368/912,506,868.90
  6. Step 6: Final answer
    x = 621,905,934.59

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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.