Home / 1,258,417,384.74-1,736,820,547.65-757,132,840.26

Finding the Fourth Proportional to 1,258,417,384.74, 1,736,820,547.65 and 757,132,840.26

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Solution

The fourth proportional to 1,258,417,384.74, 1,736,820,547.65 and 757,132,840.26 is: 1,044,966,392.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,258,417,384.74 : 1,736,820,547.65 = 757,132,840.26 : x
  2. Step 2: Convert to fraction form
    1,258,417,384.74/1,736,820,547.65 = 757,132,840.26/x
  3. Step 3: Cross multiply
    1,258,417,384.74x = 1,736,820,547.65 × 757,132,840.26
  4. Step 4: Simplify right side
    1,258,417,384.74x = 1,315,003,874,264,173,312
  5. Step 5: Solve for x
    x = 1,315,003,874,264,173,312/1,258,417,384.74
  6. Step 6: Final answer
    x = 1,044,966,392.08

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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.