Home / 1,303,461,362.40-1,957,459,525.20-691,241,330.40

Finding the Fourth Proportional to 1,303,461,362.40, 1,957,459,525.20 and 691,241,330.40

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Solution

The fourth proportional to 1,303,461,362.40, 1,957,459,525.20 and 691,241,330.40 is: 1,038,064,468.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,303,461,362.40 : 1,957,459,525.20 = 691,241,330.40 : x
  2. Step 2: Convert to fraction form
    1,303,461,362.40/1,957,459,525.20 = 691,241,330.40/x
  3. Step 3: Cross multiply
    1,303,461,362.40x = 1,957,459,525.20 × 691,241,330.40
  4. Step 4: Simplify right side
    1,303,461,362.40x = 1,353,076,926,403,400,192
  5. Step 5: Solve for x
    x = 1,353,076,926,403,400,192/1,303,461,362.40
  6. Step 6: Final answer
    x = 1,038,064,468.53

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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.