Home / 514,991,799.52-710,667,048.24-291,988,482.40

Finding the Fourth Proportional to 514,991,799.52, 710,667,048.24 and 291,988,482.40

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Solution

The fourth proportional to 514,991,799.52, 710,667,048.24 and 291,988,482.40 is: 402,931,839.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,991,799.52 : 710,667,048.24 = 291,988,482.40 : x
  2. Step 2: Convert to fraction form
    514,991,799.52/710,667,048.24 = 291,988,482.40/x
  3. Step 3: Cross multiply
    514,991,799.52x = 710,667,048.24 × 291,988,482.40
  4. Step 4: Simplify right side
    514,991,799.52x = 207,506,592,907,285,184
  5. Step 5: Solve for x
    x = 207,506,592,907,285,184/514,991,799.52
  6. Step 6: Final answer
    x = 402,931,839.11

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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.