Home / 1,521,219,038.94-2,282,676,375.69-821,697,077.34

Finding the Fourth Proportional to 1,521,219,038.94, 2,282,676,375.69 and 821,697,077.34

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Solution

The fourth proportional to 1,521,219,038.94, 2,282,676,375.69 and 821,697,077.34 is: 1,233,003,570.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,521,219,038.94 : 2,282,676,375.69 = 821,697,077.34 : x
  2. Step 2: Convert to fraction form
    1,521,219,038.94/2,282,676,375.69 = 821,697,077.34/x
  3. Step 3: Cross multiply
    1,521,219,038.94x = 2,282,676,375.69 × 821,697,077.34
  4. Step 4: Simplify right side
    1,521,219,038.94x = 1,875,668,506,417,537,024
  5. Step 5: Solve for x
    x = 1,875,668,506,417,537,024/1,521,219,038.94
  6. Step 6: Final answer
    x = 1,233,003,570.43

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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.