Home / 1,010,877,001.75-1,516,478,438.53-311,368,812.36

Finding the Fourth Proportional to 1,010,877,001.75, 1,516,478,438.53 and 311,368,812.36

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Solution

The fourth proportional to 1,010,877,001.75, 1,516,478,438.53 and 311,368,812.36 is: 467,103,405.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,010,877,001.75 : 1,516,478,438.53 = 311,368,812.36 : x
  2. Step 2: Convert to fraction form
    1,010,877,001.75/1,516,478,438.53 = 311,368,812.36/x
  3. Step 3: Cross multiply
    1,010,877,001.75x = 1,516,478,438.53 × 311,368,812.36
  4. Step 4: Simplify right side
    1,010,877,001.75x = 472,184,090,374,050,688
  5. Step 5: Solve for x
    x = 472,184,090,374,050,688/1,010,877,001.75
  6. Step 6: Final answer
    x = 467,103,405.81

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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.