Home / 1,038,985,179.66-1,433,781,827.31-562,671,678.54

Finding the Fourth Proportional to 1,038,985,179.66, 1,433,781,827.31 and 562,671,678.54

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Solution

The fourth proportional to 1,038,985,179.66, 1,433,781,827.31 and 562,671,678.54 is: 776,477,319.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,985,179.66 : 1,433,781,827.31 = 562,671,678.54 : x
  2. Step 2: Convert to fraction form
    1,038,985,179.66/1,433,781,827.31 = 562,671,678.54/x
  3. Step 3: Cross multiply
    1,038,985,179.66x = 1,433,781,827.31 × 562,671,678.54
  4. Step 4: Simplify right side
    1,038,985,179.66x = 806,748,427,432,665,984
  5. Step 5: Solve for x
    x = 806,748,427,432,665,984/1,038,985,179.66
  6. Step 6: Final answer
    x = 776,477,319.63

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Double scale
Find fourth proportional to 1,038,985,180.66, 1,433,781,828.69 and 562,671,679.54
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1.5x scale

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.