Home / 1,003,931,508.08-1,385,459,084.64-557,913,670.22

Finding the Fourth Proportional to 1,003,931,508.08, 1,385,459,084.64 and 557,913,670.22

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Solution

The fourth proportional to 1,003,931,508.08, 1,385,459,084.64 and 557,913,670.22 is: 769,939,539.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,003,931,508.08 : 1,385,459,084.64 = 557,913,670.22 : x
  2. Step 2: Convert to fraction form
    1,003,931,508.08/1,385,459,084.64 = 557,913,670.22/x
  3. Step 3: Cross multiply
    1,003,931,508.08x = 1,385,459,084.64 × 557,913,670.22
  4. Step 4: Simplify right side
    1,003,931,508.08x = 772,966,562,856,727,680
  5. Step 5: Solve for x
    x = 772,966,562,856,727,680/1,003,931,508.08
  6. Step 6: Final answer
    x = 769,939,539.33

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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.