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Finding the Fourth Proportional to 277,798,603.86, 416,697,686.88 and 83,710,021.32

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Solution

The fourth proportional to 277,798,603.86, 416,697,686.88 and 83,710,021.32 is: 125,564,966.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,798,603.86 : 416,697,686.88 = 83,710,021.32 : x
  2. Step 2: Convert to fraction form
    277,798,603.86/416,697,686.88 = 83,710,021.32/x
  3. Step 3: Cross multiply
    277,798,603.86x = 416,697,686.88 × 83,710,021.32
  4. Step 4: Simplify right side
    277,798,603.86x = 34,881,772,252,719,480
  5. Step 5: Solve for x
    x = 34,881,772,252,719,480/277,798,603.86
  6. Step 6: Final answer
    x = 125,564,966.02

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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.