Home / 875,653,905.30-1,208,402,484.93-479,176,978.92

Finding the Fourth Proportional to 875,653,905.30, 1,208,402,484.93 and 479,176,978.92

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Solution

The fourth proportional to 875,653,905.30, 1,208,402,484.93 and 479,176,978.92 is: 661,264,283.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,653,905.30 : 1,208,402,484.93 = 479,176,978.92 : x
  2. Step 2: Convert to fraction form
    875,653,905.30/1,208,402,484.93 = 479,176,978.92/x
  3. Step 3: Cross multiply
    875,653,905.30x = 1,208,402,484.93 × 479,176,978.92
  4. Step 4: Simplify right side
    875,653,905.30x = 579,038,652,048,178,304
  5. Step 5: Solve for x
    x = 579,038,652,048,178,304/875,653,905.30
  6. Step 6: Final answer
    x = 661,264,283.23

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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.