Home / 528,696,547.60-729,620,926.08-317,037,838.32

Finding the Fourth Proportional to 528,696,547.60, 729,620,926.08 and 317,037,838.32

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Solution

The fourth proportional to 528,696,547.60, 729,620,926.08 and 317,037,838.32 is: 437,524,024.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,696,547.60 : 729,620,926.08 = 317,037,838.32 : x
  2. Step 2: Convert to fraction form
    528,696,547.60/729,620,926.08 = 317,037,838.32/x
  3. Step 3: Cross multiply
    528,696,547.60x = 729,620,926.08 × 317,037,838.32
  4. Step 4: Simplify right side
    528,696,547.60x = 231,317,441,197,439,712
  5. Step 5: Solve for x
    x = 231,317,441,197,439,712/528,696,547.60
  6. Step 6: Final answer
    x = 437,524,024.41

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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.