Home / 1,458,103,307.12-2,011,966,106.34-885,588,433.60

Finding the Fourth Proportional to 1,458,103,307.12, 2,011,966,106.34 and 885,588,433.60

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Solution

The fourth proportional to 1,458,103,307.12, 2,011,966,106.34 and 885,588,433.60 is: 1,221,980,571.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,458,103,307.12 : 2,011,966,106.34 = 885,588,433.60 : x
  2. Step 2: Convert to fraction form
    1,458,103,307.12/2,011,966,106.34 = 885,588,433.60/x
  3. Step 3: Cross multiply
    1,458,103,307.12x = 2,011,966,106.34 × 885,588,433.60
  4. Step 4: Simplify right side
    1,458,103,307.12x = 1,781,773,912,569,931,520
  5. Step 5: Solve for x
    x = 1,781,773,912,569,931,520/1,458,103,307.12
  6. Step 6: Final answer
    x = 1,221,980,571.52

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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.