Home / 988,344,313.92-1,364,036,115.24-570,655,898.28

Finding the Fourth Proportional to 988,344,313.92, 1,364,036,115.24 and 570,655,898.28

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Solution

The fourth proportional to 988,344,313.92, 1,364,036,115.24 and 570,655,898.28 is: 787,574,981.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,344,313.92 : 1,364,036,115.24 = 570,655,898.28 : x
  2. Step 2: Convert to fraction form
    988,344,313.92/1,364,036,115.24 = 570,655,898.28/x
  3. Step 3: Cross multiply
    988,344,313.92x = 1,364,036,115.24 × 570,655,898.28
  4. Step 4: Simplify right side
    988,344,313.92x = 778,395,254,628,643,712
  5. Step 5: Solve for x
    x = 778,395,254,628,643,712/988,344,313.92
  6. Step 6: Final answer
    x = 787,574,981.38

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.