Home / 1,738,249,643.40-2,607,374,465.10-921,956,267.40

Finding the Fourth Proportional to 1,738,249,643.40, 2,607,374,465.10 and 921,956,267.40

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Solution

The fourth proportional to 1,738,249,643.40, 2,607,374,465.10 and 921,956,267.40 is: 1,382,934,401.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,738,249,643.40 : 2,607,374,465.10 = 921,956,267.40 : x
  2. Step 2: Convert to fraction form
    1,738,249,643.40/2,607,374,465.10 = 921,956,267.40/x
  3. Step 3: Cross multiply
    1,738,249,643.40x = 2,607,374,465.10 × 921,956,267.40
  4. Step 4: Simplify right side
    1,738,249,643.40x = 2,403,885,229,557,667,328
  5. Step 5: Solve for x
    x = 2,403,885,229,557,667,328/1,738,249,643.40
  6. Step 6: Final answer
    x = 1,382,934,401.10

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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.