Home / 917,316,537.85-1,287,871,123.55-917,316,537.85

Finding the Fourth Proportional to 917,316,537.85, 1,287,871,123.55 and 917,316,537.85

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Solution

The fourth proportional to 917,316,537.85, 1,287,871,123.55 and 917,316,537.85 is: 1,287,871,123.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,316,537.85 : 1,287,871,123.55 = 917,316,537.85 : x
  2. Step 2: Convert to fraction form
    917,316,537.85/1,287,871,123.55 = 917,316,537.85/x
  3. Step 3: Cross multiply
    917,316,537.85x = 1,287,871,123.55 × 917,316,537.85
  4. Step 4: Simplify right side
    917,316,537.85x = 1,181,385,480,251,875,584
  5. Step 5: Solve for x
    x = 1,181,385,480,251,875,584/917,316,537.85
  6. Step 6: Final answer
    x = 1,287,871,123.55

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.