Home / 810,249,483.18-1,118,139,895.51-453,017,191.26

Finding the Fourth Proportional to 810,249,483.18, 1,118,139,895.51 and 453,017,191.26

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Solution

The fourth proportional to 810,249,483.18, 1,118,139,895.51 and 453,017,191.26 is: 625,161,268.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,249,483.18 : 1,118,139,895.51 = 453,017,191.26 : x
  2. Step 2: Convert to fraction form
    810,249,483.18/1,118,139,895.51 = 453,017,191.26/x
  3. Step 3: Cross multiply
    810,249,483.18x = 1,118,139,895.51 × 453,017,191.26
  4. Step 4: Simplify right side
    810,249,483.18x = 506,536,594,899,690,048
  5. Step 5: Solve for x
    x = 506,536,594,899,690,048/810,249,483.18
  6. Step 6: Final answer
    x = 625,161,268.74

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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.