Home / 1,630,421,545.28-2,249,682,849.61-961,575,884.24

Finding the Fourth Proportional to 1,630,421,545.28, 2,249,682,849.61 and 961,575,884.24

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Solution

The fourth proportional to 1,630,421,545.28, 2,249,682,849.61 and 961,575,884.24 is: 1,326,798,447.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,630,421,545.28 : 2,249,682,849.61 = 961,575,884.24 : x
  2. Step 2: Convert to fraction form
    1,630,421,545.28/2,249,682,849.61 = 961,575,884.24/x
  3. Step 3: Cross multiply
    1,630,421,545.28x = 2,249,682,849.61 × 961,575,884.24
  4. Step 4: Simplify right side
    1,630,421,545.28x = 2,163,240,775,357,242,368
  5. Step 5: Solve for x
    x = 2,163,240,775,357,242,368/1,630,421,545.28
  6. Step 6: Final answer
    x = 1,326,798,447.69

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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.