Home / 531,649,904.40-797,474,856.60-313,075,875.60

Finding the Fourth Proportional to 531,649,904.40, 797,474,856.60 and 313,075,875.60

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Solution

The fourth proportional to 531,649,904.40, 797,474,856.60 and 313,075,875.60 is: 469,613,813.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,649,904.40 : 797,474,856.60 = 313,075,875.60 : x
  2. Step 2: Convert to fraction form
    531,649,904.40/797,474,856.60 = 313,075,875.60/x
  3. Step 3: Cross multiply
    531,649,904.40x = 797,474,856.60 × 313,075,875.60
  4. Step 4: Simplify right side
    531,649,904.40x = 249,670,138,999,029,472
  5. Step 5: Solve for x
    x = 249,670,138,999,029,472/531,649,904.40
  6. Step 6: Final answer
    x = 469,613,813.40

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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.