Home / 7,272,465,320.85-10,036,249,769.21-4,220,405,299.22

Finding the Fourth Proportional to 7,272,465,320.85, 10,036,249,769.21 and 4,220,405,299.22

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Solution

The fourth proportional to 7,272,465,320.85, 10,036,249,769.21 and 4,220,405,299.22 is: 5,824,303,017.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,272,465,320.85 : 10,036,249,769.21 = 4,220,405,299.22 : x
  2. Step 2: Convert to fraction form
    7,272,465,320.85/10,036,249,769.21 = 4,220,405,299.22/x
  3. Step 3: Cross multiply
    7,272,465,320.85x = 10,036,249,769.21 × 4,220,405,299.22
  4. Step 4: Simplify right side
    7,272,465,320.85x = 42,357,041,710,286,266,368
  5. Step 5: Solve for x
    x = 42,357,041,710,286,266,368/7,272,465,320.85
  6. Step 6: Final answer
    x = 5,824,303,017.14

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1.5x scale

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.