Home / 692,768,862-956,013,413.40-375,221,208.47

Finding the Fourth Proportional to 692,768,862, 956,013,413.40 and 375,221,208.47

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Solution

The fourth proportional to 692,768,862, 956,013,413.40 and 375,221,208.47 is: 517,801,142.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,768,862 : 956,013,413.40 = 375,221,208.47 : x
  2. Step 2: Convert to fraction form
    692,768,862/956,013,413.40 = 375,221,208.47/x
  3. Step 3: Cross multiply
    692,768,862x = 956,013,413.40 × 375,221,208.47
  4. Step 4: Simplify right side
    692,768,862x = 358,716,508,284,697,600
  5. Step 5: Solve for x
    x = 358,716,508,284,697,600/692,768,862
  6. Step 6: Final answer
    x = 517,801,142.58

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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.