Home / 691,097,411.70-1,036,646,117.55-671,965,535.70

Finding the Fourth Proportional to 691,097,411.70, 1,036,646,117.55 and 671,965,535.70

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Solution

The fourth proportional to 691,097,411.70, 1,036,646,117.55 and 671,965,535.70 is: 1,007,948,303.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,097,411.70 : 1,036,646,117.55 = 671,965,535.70 : x
  2. Step 2: Convert to fraction form
    691,097,411.70/1,036,646,117.55 = 671,965,535.70/x
  3. Step 3: Cross multiply
    691,097,411.70x = 1,036,646,117.55 × 671,965,535.70
  4. Step 4: Simplify right side
    691,097,411.70x = 696,590,463,710,810,880
  5. Step 5: Solve for x
    x = 696,590,463,710,810,880/691,097,411.70
  6. Step 6: Final answer
    x = 1,007,948,303.55

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Double scale
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1.5x scale

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.