Home / 665,303,929.28-993,082,948.24-586,765,085.12

Finding the Fourth Proportional to 665,303,929.28, 993,082,948.24 and 586,765,085.12

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Solution

The fourth proportional to 665,303,929.28, 993,082,948.24 and 586,765,085.12 is: 875,849,931.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    665,303,929.28 : 993,082,948.24 = 586,765,085.12 : x
  2. Step 2: Convert to fraction form
    665,303,929.28/993,082,948.24 = 586,765,085.12/x
  3. Step 3: Cross multiply
    665,303,929.28x = 993,082,948.24 × 586,765,085.12
  4. Step 4: Simplify right side
    665,303,929.28x = 582,706,400,655,264,128
  5. Step 5: Solve for x
    x = 582,706,400,655,264,128/665,303,929.28
  6. Step 6: Final answer
    x = 875,849,931.15

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.