Home / 1,047,780,365.51-1,571,670,549.97-425,849,885.84

Finding the Fourth Proportional to 1,047,780,365.51, 1,571,670,549.97 and 425,849,885.84

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Solution

The fourth proportional to 1,047,780,365.51, 1,571,670,549.97 and 425,849,885.84 is: 638,774,829.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,047,780,365.51 : 1,571,670,549.97 = 425,849,885.84 : x
  2. Step 2: Convert to fraction form
    1,047,780,365.51/1,571,670,549.97 = 425,849,885.84/x
  3. Step 3: Cross multiply
    1,047,780,365.51x = 1,571,670,549.97 × 425,849,885.84
  4. Step 4: Simplify right side
    1,047,780,365.51x = 669,295,724,280,685,184
  5. Step 5: Solve for x
    x = 669,295,724,280,685,184/1,047,780,365.51
  6. Step 6: Final answer
    x = 638,774,829.45

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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.