Home / 992,248,545.36-1,369,320,403.84-540,139,510.72

Finding the Fourth Proportional to 992,248,545.36, 1,369,320,403.84 and 540,139,510.72

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Solution

The fourth proportional to 992,248,545.36, 1,369,320,403.84 and 540,139,510.72 is: 745,402,002.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,248,545.36 : 1,369,320,403.84 = 540,139,510.72 : x
  2. Step 2: Convert to fraction form
    992,248,545.36/1,369,320,403.84 = 540,139,510.72/x
  3. Step 3: Cross multiply
    992,248,545.36x = 1,369,320,403.84 × 540,139,510.72
  4. Step 4: Simplify right side
    992,248,545.36x = 739,624,052,949,050,368
  5. Step 5: Solve for x
    x = 739,624,052,949,050,368/992,248,545.36
  6. Step 6: Final answer
    x = 745,402,002.76

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Double scale
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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.