Home / 1,306,648,459.24-1,803,152,167.80-711,937,829.90

Finding the Fourth Proportional to 1,306,648,459.24, 1,803,152,167.80 and 711,937,829.90

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Solution

The fourth proportional to 1,306,648,459.24, 1,803,152,167.80 and 711,937,829.90 is: 982,461,833.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,306,648,459.24 : 1,803,152,167.80 = 711,937,829.90 : x
  2. Step 2: Convert to fraction form
    1,306,648,459.24/1,803,152,167.80 = 711,937,829.90/x
  3. Step 3: Cross multiply
    1,306,648,459.24x = 1,803,152,167.80 × 711,937,829.90
  4. Step 4: Simplify right side
    1,306,648,459.24x = 1,283,732,241,323,012,608
  5. Step 5: Solve for x
    x = 1,283,732,241,323,012,608/1,306,648,459.24
  6. Step 6: Final answer
    x = 982,461,833.74

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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.