Home / 877,241,347.60-1,315,862,021.40-705,054,463.60

Finding the Fourth Proportional to 877,241,347.60, 1,315,862,021.40 and 705,054,463.60

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Solution

The fourth proportional to 877,241,347.60, 1,315,862,021.40 and 705,054,463.60 is: 1,057,581,695.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,241,347.60 : 1,315,862,021.40 = 705,054,463.60 : x
  2. Step 2: Convert to fraction form
    877,241,347.60/1,315,862,021.40 = 705,054,463.60/x
  3. Step 3: Cross multiply
    877,241,347.60x = 1,315,862,021.40 × 705,054,463.60
  4. Step 4: Simplify right side
    877,241,347.60x = 927,754,391,669,788,800
  5. Step 5: Solve for x
    x = 927,754,391,669,788,800/877,241,347.60
  6. Step 6: Final answer
    x = 1,057,581,695.40

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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.