Home / 641,466,587.18-885,223,854.16-348,111,155.18

Finding the Fourth Proportional to 641,466,587.18, 885,223,854.16 and 348,111,155.18

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Solution

The fourth proportional to 641,466,587.18, 885,223,854.16 and 348,111,155.18 is: 480,393,374.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,466,587.18 : 885,223,854.16 = 348,111,155.18 : x
  2. Step 2: Convert to fraction form
    641,466,587.18/885,223,854.16 = 348,111,155.18/x
  3. Step 3: Cross multiply
    641,466,587.18x = 885,223,854.16 × 348,111,155.18
  4. Step 4: Simplify right side
    641,466,587.18x = 308,156,298,464,529,472
  5. Step 5: Solve for x
    x = 308,156,298,464,529,472/641,466,587.18
  6. Step 6: Final answer
    x = 480,393,374.53

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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.