Home / 435,462,490.80-653,249,723.40-217,224,385.20

Finding the Fourth Proportional to 435,462,490.80, 653,249,723.40 and 217,224,385.20

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Solution

The fourth proportional to 435,462,490.80, 653,249,723.40 and 217,224,385.20 is: 325,864,506.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,462,490.80 : 653,249,723.40 = 217,224,385.20 : x
  2. Step 2: Convert to fraction form
    435,462,490.80/653,249,723.40 = 217,224,385.20/x
  3. Step 3: Cross multiply
    435,462,490.80x = 653,249,723.40 × 217,224,385.20
  4. Step 4: Simplify right side
    435,462,490.80x = 141,901,769,547,635,040
  5. Step 5: Solve for x
    x = 141,901,769,547,635,040/435,462,490.80
  6. Step 6: Final answer
    x = 325,864,506.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.