Home / 565,934,547.84-780,933,931.20-318,410,436.48

Finding the Fourth Proportional to 565,934,547.84, 780,933,931.20 and 318,410,436.48

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Solution

The fourth proportional to 565,934,547.84, 780,933,931.20 and 318,410,436.48 is: 439,375,038.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,934,547.84 : 780,933,931.20 = 318,410,436.48 : x
  2. Step 2: Convert to fraction form
    565,934,547.84/780,933,931.20 = 318,410,436.48/x
  3. Step 3: Cross multiply
    565,934,547.84x = 780,933,931.20 × 318,410,436.48
  4. Step 4: Simplify right side
    565,934,547.84x = 248,657,513,895,434,336
  5. Step 5: Solve for x
    x = 248,657,513,895,434,336/565,934,547.84
  6. Step 6: Final answer
    x = 439,375,038.76

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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.