Home / 691,097,427.45-1,036,646,141.18-671,965,551.45

Finding the Fourth Proportional to 691,097,427.45, 1,036,646,141.18 and 671,965,551.45

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Solution

The fourth proportional to 691,097,427.45, 1,036,646,141.18 and 671,965,551.45 is: 1,007,948,327.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,097,427.45 : 1,036,646,141.18 = 671,965,551.45 : x
  2. Step 2: Convert to fraction form
    691,097,427.45/1,036,646,141.18 = 671,965,551.45/x
  3. Step 3: Cross multiply
    691,097,427.45x = 1,036,646,141.18 × 671,965,551.45
  4. Step 4: Simplify right side
    691,097,427.45x = 696,590,495,913,173,504
  5. Step 5: Solve for x
    x = 696,590,495,913,173,504/691,097,427.45
  6. Step 6: Final answer
    x = 1,007,948,327.18

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Double scale
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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.