Home / 877,961,482.98-1,316,814,032.71-256,009,585.29

Finding the Fourth Proportional to 877,961,482.98, 1,316,814,032.71 and 256,009,585.29

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Solution

The fourth proportional to 877,961,482.98, 1,316,814,032.71 and 256,009,585.29 is: 383,976,997.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,961,482.98 : 1,316,814,032.71 = 256,009,585.29 : x
  2. Step 2: Convert to fraction form
    877,961,482.98/1,316,814,032.71 = 256,009,585.29/x
  3. Step 3: Cross multiply
    877,961,482.98x = 1,316,814,032.71 × 256,009,585.29
  4. Step 4: Simplify right side
    877,961,482.98x = 337,117,014,418,139,584
  5. Step 5: Solve for x
    x = 337,117,014,418,139,584/877,961,482.98
  6. Step 6: Final answer
    x = 383,976,997.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.